25464747 has 16 divisors (see below), whose sum is σ = 42331392. Its totient is φ = 13228320.

The previous prime is 25464739. The next prime is 25464763. The reversal of 25464747 is 74746452.

It is not a de Polignac number, because 25464747 - 2³ = 25464739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25464707) 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, 54888 + ... + 55349.

It is an arithmetic number, because the mean of its divisors is an integer number (2645712).

Almost surely, 2^25464747 is an apocalyptic number.

25464747 is a deficient number, since it is larger than the sum of its proper divisors (16866645).

25464747 is a wasteful number, since it uses less digits than its factorization.

25464747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110258.

The product of its digits is 188160, while the sum is 39.

The square root of 25464747 is about 5046.2606948116. The cubic root of 25464747 is about 294.2025652924.

The spelling of 25464747 in words is "twenty-five million, four hundred sixty-four thousand, seven hundred forty-seven".