25252100439 has 8 divisors (see below), whose sum is σ = 34095663360. Its totient is φ = 16621635576.

The previous prime is 25252100417. The next prime is 25252100443. The reversal of 25252100439 is 93400125252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25252100439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252100479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53274237 + ... + 53274710.

It is an arithmetic number, because the mean of its divisors is an integer number (4261957920).

Almost surely, 2^25252100439 is an apocalyptic number.

25252100439 is a deficient number, since it is larger than the sum of its proper divisors (8843562921).

25252100439 is a wasteful number, since it uses less digits than its factorization.

25252100439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106549029.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 25252100439 in words is "twenty-five billion, two hundred fifty-two million, one hundred thousand, four hundred thirty-nine".