2560125187 has 4 divisors (see below), whose sum is σ = 2560258480. Its totient is φ = 2559991896.

The previous prime is 2560125181. The next prime is 2560125221. The reversal of 2560125187 is 7815210652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2560125187 - 2³¹ = 412641539 is a prime.

It is a super-2 number, since 2×2560125187² = 13108481946223569938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560125181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31743 + ... + 78280.

It is an arithmetic number, because the mean of its divisors is an integer number (640064620).

Almost surely, 2^2560125187 is an apocalyptic number.

2560125187 is a deficient number, since it is larger than the sum of its proper divisors (133293).

2560125187 is a wasteful number, since it uses less digits than its factorization.

2560125187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133292.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 2560125187 is about 50597.6796602374. The cubic root of 2560125187 is about 1368.0030555986.

The spelling of 2560125187 in words is "two billion, five hundred sixty million, one hundred twenty-five thousand, one hundred eighty-seven".