25426623 has 8 divisors (see below), whose sum is σ = 33960448. Its totient is φ = 16921944.

The previous prime is 25426619. The next prime is 25426633. The reversal of 25426623 is 32662452.

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

It is not a de Polignac number, because 25426623 - 2² = 25426619 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 (25426633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5161 + ... + 8802.

It is an arithmetic number, because the mean of its divisors is an integer number (4245056).

Almost surely, 2^25426623 is an apocalyptic number.

25426623 is a deficient number, since it is larger than the sum of its proper divisors (8533825).

25426623 is a wasteful number, since it uses less digits than its factorization.

25426623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573.

The product of its digits is 17280, while the sum is 30.

The square root of 25426623 is about 5042.4818294169. The cubic root of 25426623 is about 294.0556722745.

The spelling of 25426623 in words is "twenty-five million, four hundred twenty-six thousand, six hundred twenty-three".