2585945087 has 12 divisors (see below), whose sum is σ = 2992005240. Its totient is φ = 2227127760.

The previous prime is 2585945083. The next prime is 2585945093. The reversal of 2585945087 is 7805495852.

It is not a de Polignac number, because 2585945087 - 2² = 2585945083 is a prime.

It is a super-2 number, since 2×2585945087² = 13374223985958875138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585945083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560108 + ... + 564705.

It is an arithmetic number, because the mean of its divisors is an integer number (249333770).

Almost surely, 2^2585945087 is an apocalyptic number.

2585945087 is a deficient number, since it is larger than the sum of its proper divisors (406060153).

2585945087 is a wasteful number, since it uses less digits than its factorization.

2585945087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124854 (or 1124843 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The square root of 2585945087 is about 50852.1886156338. The cubic root of 2585945087 is about 1372.5866359380.

The spelling of 2585945087 in words is "two billion, five hundred eighty-five million, nine hundred forty-five thousand, eighty-seven".