25485651 has 8 divisors (see below), whose sum is σ = 37756560. Its totient is φ = 16990416.

The previous prime is 25485623. The next prime is 25485667. The reversal of 25485651 is 15658452.

It is not a de Polignac number, because 25485651 - 2¹⁵ = 25452883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25485611) 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 in 7 ways as a sum of consecutive naturals, for example, 471930 + ... + 471983.

It is an arithmetic number, because the mean of its divisors is an integer number (4719570).

Almost surely, 2^25485651 is an apocalyptic number.

25485651 is a deficient number, since it is larger than the sum of its proper divisors (12270909).

25485651 is an equidigital number, since it uses as much as digits as its factorization.

25485651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943922 (or 943916 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 25485651 is about 5048.3315065475. The cubic root of 25485651 is about 294.2830468610.

It can be divided in two parts, 254 and 85651, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 25485651 in words is "twenty-five million, four hundred eighty-five thousand, six hundred fifty-one".