25252252775 has 6 divisors (see below), whose sum is σ = 31312793472. Its totient is φ = 20201802200.

The previous prime is 25252252771. The next prime is 25252252811. The reversal of 25252252775 is 57725225252.

It is not a de Polignac number, because 25252252775 - 2² = 25252252771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252252771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505045031 + ... + 505045080.

It is an arithmetic number, because the mean of its divisors is an integer number (5218798912).

Almost surely, 2^25252252775 is an apocalyptic number.

25252252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25252252775 is a deficient number, since it is larger than the sum of its proper divisors (6060540697).

25252252775 is a wasteful number, since it uses less digits than its factorization.

25252252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010090121 (or 1010090116 counting only the distinct ones).

The product of its digits is 980000, while the sum is 44.

The spelling of 25252252775 in words is "twenty-five billion, two hundred fifty-two million, two hundred fifty-two thousand, seven hundred seventy-five".