25464623 has 16 divisors (see below), whose sum is σ = 27809280. Its totient is φ = 23227776.

The previous prime is 25464619. The next prime is 25464641. The reversal of 25464623 is 32646452.

It is a cyclic number.

It is not a de Polignac number, because 25464623 - 2² = 25464619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25464623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25464653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89840 + ... + 90122.

It is an arithmetic number, because the mean of its divisors is an integer number (1738080).

Almost surely, 2^25464623 is an apocalyptic number.

25464623 is a deficient number, since it is larger than the sum of its proper divisors (2344657).

25464623 is a wasteful number, since it uses less digits than its factorization.

25464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its digits is 34560, while the sum is 32.

The square root of 25464623 is about 5046.2484084714. The cubic root of 25464623 is about 294.2020877541.

The spelling of 25464623 in words is "twenty-five million, four hundred sixty-four thousand, six hundred twenty-three".