Search a number
-
+
525020201 = 543196671
BaseRepresentation
bin11111010010110…
…010110000101001
31100120220210022122
4133102302300221
52033401121301
6124033001025
716003412066
oct3722626051
91316823278
10525020201
1124a3a64a2
121279b3175
1384a05554
144da29c6d
153115b81b
hex1f4b2c29

525020201 has 4 divisors (see below), whose sum is σ = 525122304. Its totient is φ = 524918100.

The previous prime is 525020189. The next prime is 525020233. The reversal of 525020201 is 102020525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525020201 - 26 = 525020137 is a prime.

It is a super-2 number, since 2×5250202012 = 551292422916160802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525020201.

It is not an unprimeable number, because it can be changed into a prime (525020281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42905 + ... + 53766.

It is an arithmetic number, because the mean of its divisors is an integer number (131280576).

Almost surely, 2525020201 is an apocalyptic number.

It is an amenable number.

525020201 is a deficient number, since it is larger than the sum of its proper divisors (102103).

525020201 is an equidigital number, since it uses as much as digits as its factorization.

525020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102102.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 525020201 is about 22913.3192924989. The cubic root of 525020201 is about 806.7246698231.

Adding to 525020201 its reverse (102020525), we get a palindrome (627040726).

The spelling of 525020201 in words is "five hundred twenty-five million, twenty thousand, two hundred one".

Divisors: 1 5431 96671 525020201