25485766 has 4 divisors (see below), whose sum is σ = 38228652. Its totient is φ = 12742882.

The previous prime is 25485763. The next prime is 25485767. The reversal of 25485766 is 66758452.

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 (25485763) 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 as a sum of consecutive naturals, namely, 6371440 + ... + 6371443.

It is an arithmetic number, because the mean of its divisors is an integer number (9557163).

Almost surely, 2^25485766 is an apocalyptic number.

25485766 is a deficient number, since it is larger than the sum of its proper divisors (12742886).

25485766 is a wasteful number, since it uses less digits than its factorization.

25485766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742885.

The product of its digits is 403200, while the sum is 43.

The square root of 25485766 is about 5048.3428964364. The cubic root of 25485766 is about 294.2834894957.

The spelling of 25485766 in words is "twenty-five million, four hundred eighty-five thousand, seven hundred sixty-six".