25464416 has 12 divisors (see below), whose sum is σ = 50133132. Its totient is φ = 12732192.

The previous prime is 25464409. The next prime is 25464421. The reversal of 25464416 is 61446452.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 795763 = 25464416 / (2 + 5 + 4 + 6 + 4 + 4 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397850 + ... + 397913.

It is an arithmetic number, because the mean of its divisors is an integer number (4177761).

Almost surely, 2^25464416 is an apocalyptic number.

It is an amenable number.

25464416 is a deficient number, since it is larger than the sum of its proper divisors (24668716).

25464416 is an equidigital number, since it uses as much as digits as its factorization.

25464416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795773 (or 795765 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 25464416 is about 5046.2278981433. The cubic root of 25464416 is about 294.2012905698.

The spelling of 25464416 in words is "twenty-five million, four hundred sixty-four thousand, four hundred sixteen".