2551239975 has 12 divisors (see below), whose sum is σ = 4218050216. Its totient is φ = 1360661280.

The previous prime is 2551239967. The next prime is 2551240007. The reversal of 2551239975 is 5799321552.

It is not a de Polignac number, because 2551239975 - 2³ = 2551239967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17008192 + ... + 17008341.

Almost surely, 2^2551239975 is an apocalyptic number.

2551239975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2551239975 is a deficient number, since it is larger than the sum of its proper divisors (1666810241).

2551239975 is a wasteful number, since it uses less digits than its factorization.

2551239975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34016546 (or 34016541 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 2551239975 is about 50509.8007816305. The cubic root of 2551239975 is about 1366.4186166579.

The spelling of 2551239975 in words is "two billion, five hundred fifty-one million, two hundred thirty-nine thousand, nine hundred seventy-five".