Search a number
-
+
825510097 = 2233701839
BaseRepresentation
bin110001001101000…
…100100011010001
32010112100020222001
4301031010203101
53142312310342
6213525314001
726312501656
oct6115044321
92115306861
10825510097
11393a84a55
121b0565901
13102045319
147b8c9c2d
154c7158b7
hex313448d1

825510097 has 4 divisors (see below), whose sum is σ = 829212160. Its totient is φ = 821808036.

The previous prime is 825510047. The next prime is 825510107. The reversal of 825510097 is 790015528.

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 825510097 - 223 = 817121489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825510047) 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, 1850697 + ... + 1851142.

It is an arithmetic number, because the mean of its divisors is an integer number (207303040).

Almost surely, 2825510097 is an apocalyptic number.

It is an amenable number.

825510097 is a deficient number, since it is larger than the sum of its proper divisors (3702063).

825510097 is a wasteful number, since it uses less digits than its factorization.

825510097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702062.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 825510097 is about 28731.6915095509. The cubic root of 825510097 is about 938.0819865356.

The spelling of 825510097 in words is "eight hundred twenty-five million, five hundred ten thousand, ninety-seven".

Divisors: 1 223 3701839 825510097