25015251423 has 8 divisors (see below), whose sum is σ = 33363792000. Its totient is φ = 16671772568.

The previous prime is 25015251413. The next prime is 25015251461. The reversal of 25015251423 is 32415251052.

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

It is a cyclic number.

It is not a de Polignac number, because 25015251423 - 2²⁰ = 25014202847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25015251413) 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, 1253883 + ... + 1273676.

It is an arithmetic number, because the mean of its divisors is an integer number (4170474000).

Almost surely, 2^25015251423 is an apocalyptic number.

25015251423 is a deficient number, since it is larger than the sum of its proper divisors (8348540577).

25015251423 is a wasteful number, since it uses less digits than its factorization.

25015251423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530861.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25015251423 in words is "twenty-five billion, fifteen million, two hundred fifty-one thousand, four hundred twenty-three".