25464577 has 4 divisors (see below), whose sum is σ = 25896240. Its totient is φ = 25032916.

The previous prime is 25464559. The next prime is 25464583. The reversal of 25464577 is 77546452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25464577 - 2¹¹ = 25462529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25464077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215743 + ... + 215860.

It is an arithmetic number, because the mean of its divisors is an integer number (6474060).

Almost surely, 2^25464577 is an apocalyptic number.

It is an amenable number.

25464577 is a deficient number, since it is larger than the sum of its proper divisors (431663).

25464577 is an equidigital number, since it uses as much as digits as its factorization.

25464577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431662.

The product of its digits is 235200, while the sum is 40.

The square root of 25464577 is about 5046.2438506279. The cubic root of 25464577 is about 294.2019106024.

The spelling of 25464577 in words is "twenty-five million, four hundred sixty-four thousand, five hundred seventy-seven".