25465523 has 4 divisors (see below), whose sum is σ = 25475688. Its totient is φ = 25455360.

The previous prime is 25465513. The next prime is 25465537. The reversal of 25465523 is 32556452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25465523 - 2⁶ = 25465459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25465523.

It is not an unprimeable number, because it can be changed into a prime (25465513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (6368922).

Almost surely, 2^25465523 is an apocalyptic number.

25465523 is a deficient number, since it is larger than the sum of its proper divisors (10165).

25465523 is an equidigital number, since it uses as much as digits as its factorization.

25465523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164.

The product of its digits is 36000, while the sum is 32.

The square root of 25465523 is about 5046.3375828416. The cubic root of 25465523 is about 294.2055537228.

The spelling of 25465523 in words is "twenty-five million, four hundred sixty-five thousand, five hundred twenty-three".