2565011252 has 12 divisors (see below), whose sum is σ = 4504633056. Its totient is φ = 1277973240.

The previous prime is 2565011231. The next prime is 2565011257. The reversal of 2565011252 is 2521105652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565011257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131824 + ... + 1134087.

It is an arithmetic number, because the mean of its divisors is an integer number (375386088).

Almost surely, 2^2565011252 is an apocalyptic number.

It is an amenable number.

2565011252 is a deficient number, since it is larger than the sum of its proper divisors (1939621804).

2565011252 is a wasteful number, since it uses less digits than its factorization.

2565011252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266198 (or 2266196 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 2565011252 is about 50645.9401334401. The cubic root of 2565011252 is about 1368.8727922420.

The spelling of 2565011252 in words is "two billion, five hundred sixty-five million, eleven thousand, two hundred fifty-two".