65025279 has 54 divisors (see below), whose sum is σ = 108429048. Its totient is φ = 37514400.

The previous prime is 65025263. The next prime is 65025283. The reversal of 65025279 is 97252056.

It is not a de Polignac number, because 65025279 - 2⁴ = 65025263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65025229) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 915814 + ... + 915884.

Almost surely, 2^65025279 is an apocalyptic number.

65025279 is a deficient number, since it is larger than the sum of its proper divisors (43403769).

65025279 is a wasteful number, since it uses less digits than its factorization.

65025279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 65025279 is about 8063.8253329298. The cubic root of 65025279 is about 402.1246921426.

It can be divided in two parts, 6502 and 5279, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 65025279 in words is "sixty-five million, twenty-five thousand, two hundred seventy-nine".