2565376156 has 12 divisors (see below), whose sum is σ = 5130752368. Its totient is φ = 1099446912.

The previous prime is 2565376153. The next prime is 2565376157. The reversal of 2565376156 is 6516735652.

2565376156 is an admirable number.

It is a super-5 number, since 5×2565376156⁵ (a number of 48 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565376153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45810261 + ... + 45810316.

Almost surely, 2^2565376156 is an apocalyptic number.

It is an amenable number.

2565376156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565376156 is a wasteful number, since it uses less digits than its factorization.

2565376156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91620588 (or 91620586 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The square root of 2565376156 is about 50649.5425053376. The cubic root of 2565376156 is about 1368.9377020901.

The spelling of 2565376156 in words is "two billion, five hundred sixty-five million, three hundred seventy-six thousand, one hundred fifty-six".