Search a number
-
+
525223225 = 5246744987
BaseRepresentation
bin11111010011100…
…100010100111001
31100121022002211001
4133103210110321
52033424120400
6124041205001
716005216022
oct3723442471
91317262731
10525223225
1124a524a8a
12127a90761
1384a76a97
144da7dc49
153119ba6a
hex1f4e4539

525223225 has 12 divisors (see below), whose sum is σ = 652685904. Its totient is φ = 419269520.

The previous prime is 525223217. The next prime is 525223271. The reversal of 525223225 is 522322525.

It is not a de Polignac number, because 525223225 - 23 = 525223217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525223193 and 525223202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10819 + ... + 34168.

It is an arithmetic number, because the mean of its divisors is an integer number (54390492).

Almost surely, 2525223225 is an apocalyptic number.

It is an amenable number.

525223225 is a deficient number, since it is larger than the sum of its proper divisors (127462679).

525223225 is a wasteful number, since it uses less digits than its factorization.

525223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45464 (or 45459 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 525223225 is about 22917.7491259504. The cubic root of 525223225 is about 806.8286425603.

The spelling of 525223225 in words is "five hundred twenty-five million, two hundred twenty-three thousand, two hundred twenty-five".

Divisors: 1 5 25 467 2335 11675 44987 224935 1124675 21008929 105044645 525223225