2558507965 has 16 divisors (see below), whose sum is σ = 3413039616. Its totient is φ = 1828411200.

The previous prime is 2558507957. The next prime is 2558507981. The reversal of 2558507965 is 5697058552.

It is not a de Polignac number, because 2558507965 - 2³ = 2558507957 is a prime.

It is a super-3 number, since 3×2558507965³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632851 + ... + 636880.

It is an arithmetic number, because the mean of its divisors is an integer number (213314976).

Almost surely, 2^2558507965 is an apocalyptic number.

It is an amenable number.

2558507965 is a deficient number, since it is larger than the sum of its proper divisors (854531651).

2558507965 is a wasteful number, since it uses less digits than its factorization.

2558507965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269780.

The product of its (nonzero) digits is 3780000, while the sum is 52.

The square root of 2558507965 is about 50581.6959482380. The cubic root of 2558507965 is about 1367.7149406970.

The spelling of 2558507965 in words is "two billion, five hundred fifty-eight million, five hundred seven thousand, nine hundred sixty-five".