25287458623 has 8 divisors (see below), whose sum is σ = 29170046592. Its totient is φ = 21472394136.

The previous prime is 25287458611. The next prime is 25287458641. The reversal of 25287458623 is 32685478252.

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 25287458623 - 2²⁵ = 25253904191 is a prime.

It is a super-2 number, since 2×25287458623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25287458653) 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, 16880065 + ... + 16881562.

It is an arithmetic number, because the mean of its divisors is an integer number (3646255824).

Almost surely, 2^25287458623 is an apocalyptic number.

25287458623 is a deficient number, since it is larger than the sum of its proper divisors (3882587969).

25287458623 is a wasteful number, since it uses less digits than its factorization.

25287458623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33761741.

The product of its digits is 6451200, while the sum is 52.

The spelling of 25287458623 in words is "twenty-five billion, two hundred eighty-seven million, four hundred fifty-eight thousand, six hundred twenty-three".