2565465356 has 24 divisors (see below), whose sum is σ = 4712843520. Its totient is φ = 1219607312.

The previous prime is 2565465307. The next prime is 2565465361. The reversal of 2565465356 is 6535645652.

It is a super-2 number, since 2×2565465356² = 13163224985672413472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2565465356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68126 + ... + 98853.

It is an arithmetic number, because the mean of its divisors is an integer number (196368480).

Almost surely, 2^2565465356 is an apocalyptic number.

It is an amenable number.

2565465356 is a deficient number, since it is larger than the sum of its proper divisors (2147378164).

2565465356 is a wasteful number, since it uses less digits than its factorization.

2565465356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167173 (or 167171 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 47.

The square root of 2565465356 is about 50650.4230584504. The cubic root of 2565465356 is about 1368.9535682270.

The spelling of 2565465356 in words is "two billion, five hundred sixty-five million, four hundred sixty-five thousand, three hundred fifty-six".