2565465357 has 32 divisors (see below), whose sum is σ = 4345815040. Its totient is φ = 1309556160.

The previous prime is 2565465307. The next prime is 2565465361. The reversal of 2565465357 is 7535645652.

2565465357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2565465357 - 2⁶ = 2565465293 is a prime.

It is a super-2 number, since 2×2565465357² = 13163224995934274898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565465307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143107 + ... + 160032.

It is an arithmetic number, because the mean of its divisors is an integer number (135806720).

Almost surely, 2^2565465357 is an apocalyptic number.

It is an amenable number.

2565465357 is a deficient number, since it is larger than the sum of its proper divisors (1780349683).

2565465357 is a wasteful number, since it uses less digits than its factorization.

2565465357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303193.

The product of its digits is 3780000, while the sum is 48.

The square root of 2565465357 is about 50650.4230683219. The cubic root of 2565465357 is about 1368.9535684049.

The spelling of 2565465357 in words is "two billion, five hundred sixty-five million, four hundred sixty-five thousand, three hundred fifty-seven".