25402750252 has 24 divisors (see below), whose sum is σ = 48680577792. Its totient is φ = 11502795600.

The previous prime is 25402750213. The next prime is 25402750253. The reversal of 25402750252 is 25205720452.

It is not an unprimeable number, because it can be changed into a prime (25402750253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086024 + ... + 1109167.

It is an arithmetic number, because the mean of its divisors is an integer number (2028357408).

Almost surely, 2^25402750252 is an apocalyptic number.

25402750252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25402750252 is a deficient number, since it is larger than the sum of its proper divisors (23277827540).

25402750252 is a wasteful number, since it uses less digits than its factorization.

25402750252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195469 (or 2195467 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 34.

The spelling of 25402750252 in words is "twenty-five billion, four hundred two million, seven hundred fifty thousand, two hundred fifty-two".