25464766 has 4 divisors (see below), whose sum is σ = 38197152. Its totient is φ = 12732382.

The previous prime is 25464763. The next prime is 25464767. The reversal of 25464766 is 66746452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25464763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6366190 + ... + 6366193.

It is an arithmetic number, because the mean of its divisors is an integer number (9549288).

Almost surely, 2^25464766 is an apocalyptic number.

25464766 is a deficient number, since it is larger than the sum of its proper divisors (12732386).

25464766 is a wasteful number, since it uses less digits than its factorization.

25464766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732385.

The product of its digits is 241920, while the sum is 40.

The square root of 25464766 is about 5046.2625773933. The cubic root of 25464766 is about 294.2026384635.

The spelling of 25464766 in words is "twenty-five million, four hundred sixty-four thousand, seven hundred sixty-six".