25464481 has 8 divisors (see below), whose sum is σ = 29133824. Its totient is φ = 21803040.

The previous prime is 25464479. The next prime is 25464493. The reversal of 25464481 is 18446452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25464481 - 2¹ = 25464479 is a prime.

It is a super-2 number, since 2×25464481² = 1296879585198722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25464421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9061 + ... + 11533.

It is an arithmetic number, because the mean of its divisors is an integer number (3641728).

Almost surely, 2^25464481 is an apocalyptic number.

It is an amenable number.

25464481 is a deficient number, since it is larger than the sum of its proper divisors (3669343).

25464481 is a wasteful number, since it uses less digits than its factorization.

25464481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its digits is 30720, while the sum is 34.

The square root of 25464481 is about 5046.2343385935. The cubic root of 25464481 is about 294.2015408938.

The spelling of 25464481 in words is "twenty-five million, four hundred sixty-four thousand, four hundred eighty-one".