25252957484239 has 4 divisors (see below), whose sum is σ = 25254783321040. Its totient is φ = 25251131647440.

The previous prime is 25252957484231. The next prime is 25252957484303. The reversal of 25252957484239 is 93248475925252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25252957484239 - 2³ = 25252957484231 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 (25252957484231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912897654 + ... + 912925315.

It is an arithmetic number, because the mean of its divisors is an integer number (6313695830260).

Almost surely, 2^{25252957484239} is an apocalyptic number.

25252957484239 is a deficient number, since it is larger than the sum of its proper divisors (1825836801).

25252957484239 is a wasteful number, since it uses less digits than its factorization.

25252957484239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825836800.

The product of its digits is 435456000, while the sum is 67.

The spelling of 25252957484239 in words is "twenty-five trillion, two hundred fifty-two billion, nine hundred fifty-seven million, four hundred eighty-four thousand, two hundred thirty-nine".