25135010254 has 4 divisors (see below), whose sum is σ = 37702515384. Its totient is φ = 12567505126.

The previous prime is 25135010231. The next prime is 25135010261. The reversal of 25135010254 is 45201053152.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6283752562 + ... + 6283752565.

It is an arithmetic number, because the mean of its divisors is an integer number (9425628846).

Almost surely, 2^25135010254 is an apocalyptic number.

25135010254 is a deficient number, since it is larger than the sum of its proper divisors (12567505130).

25135010254 is a wasteful number, since it uses less digits than its factorization.

25135010254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12567505129.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 25135010254 in words is "twenty-five billion, one hundred thirty-five million, ten thousand, two hundred fifty-four".