25695623 has 8 divisors (see below), whose sum is σ = 26925696. Its totient is φ = 24475000.

The previous prime is 25695617. The next prime is 25695641. The reversal of 25695623 is 32659652.

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 25695623 - 2⁸ = 25695367 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 (25698623) 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, 3548 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (3365712).

Almost surely, 2^25695623 is an apocalyptic number.

25695623 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25695623 is a deficient number, since it is larger than the sum of its proper divisors (1230073).

25695623 is a wasteful number, since it uses less digits than its factorization.

25695623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725.

The product of its digits is 97200, while the sum is 38.

The square root of 25695623 is about 5069.0850259194. The cubic root of 25695623 is about 295.0890203428.

It can be divided in two parts, 2569 and 5623, that added together give a 13-th power (8192 = 2¹³).

The spelling of 25695623 in words is "twenty-five million, six hundred ninety-five thousand, six hundred twenty-three".