25464087 has 36 divisors (see below), whose sum is σ = 41150200. Its totient is φ = 15158880.

The previous prime is 25464077. The next prime is 25464091. The reversal of 25464087 is 78046452.

25464087 is a `hidden beast` number, since 2 + 5 + 4 + 640 + 8 + 7 = 666.

It is not a de Polignac number, because 25464087 - 2⁴ = 25464071 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 (25464007) 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 35 ways as a sum of consecutive naturals, for example, 72789 + ... + 73137.

Almost surely, 2^25464087 is an apocalyptic number.

25464087 is a deficient number, since it is larger than the sum of its proper divisors (15686113).

25464087 is a wasteful number, since it uses less digits than its factorization.

25464087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 25464087 is about 5046.1952994310. The cubic root of 25464087 is about 294.2000235384.

The spelling of 25464087 in words is "twenty-five million, four hundred sixty-four thousand, eighty-seven".