2505125877 has 4 divisors (see below), whose sum is σ = 3340167840. Its totient is φ = 1670083916.

The previous prime is 2505125849. The next prime is 2505125923. The reversal of 2505125877 is 7785215052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2505125877 - 2⁸ = 2505125621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505125827) 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, 417520977 + ... + 417520982.

It is an arithmetic number, because the mean of its divisors is an integer number (835041960).

Almost surely, 2^2505125877 is an apocalyptic number.

It is an amenable number.

2505125877 is a deficient number, since it is larger than the sum of its proper divisors (835041963).

2505125877 is an equidigital number, since it uses as much as digits as its factorization.

2505125877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835041962.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 2505125877 is about 50051.2325222866. The cubic root of 2505125877 is about 1358.1357597825.

The spelling of 2505125877 in words is "two billion, five hundred five million, one hundred twenty-five thousand, eight hundred seventy-seven".