25250252775 has 36 divisors (see below), whose sum is σ = 45887307816. Its totient is φ = 12242542400.

The previous prime is 25250252747. The next prime is 25250252809. The reversal of 25250252775 is 57725205252.

It is not a de Polignac number, because 25250252775 - 2⁷ = 25250252647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1382124 + ... + 1400273.

Almost surely, 2^25250252775 is an apocalyptic number.

25250252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25250252775 is a deficient number, since it is larger than the sum of its proper divisors (20637055041).

25250252775 is a wasteful number, since it uses less digits than its factorization.

25250252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782432 (or 2782416 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 25250252775 in words is "twenty-five billion, two hundred fifty million, two hundred fifty-two thousand, seven hundred seventy-five".