2506566875 has 10 divisors (see below), whose sum is σ = 3132206748. Its totient is φ = 2005253000.

The previous prime is 2506566871. The next prime is 2506566899. The reversal of 2506566875 is 5786656052.

It is not a de Polignac number, because 2506566875 - 2² = 2506566871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506566871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2004629 + ... + 2005878.

Almost surely, 2^2506566875 is an apocalyptic number.

2506566875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2506566875 is a deficient number, since it is larger than the sum of its proper divisors (625639873).

2506566875 is an frugal number, since it uses more digits than its factorization.

2506566875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010527 (or 4010512 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The square root of 2506566875 is about 50065.6256826977. The cubic root of 2506566875 is about 1358.3961187267.

The spelling of 2506566875 in words is "two billion, five hundred six million, five hundred sixty-six thousand, eight hundred seventy-five".