25797662 has 16 divisors (see below), whose sum is σ = 42325632. Its totient is φ = 11695320.

The previous prime is 25797661. The next prime is 25797671. The reversal of 25797662 is 26679752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25797661) 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, 8423 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (2645352).

Almost surely, 2^25797662 is an apocalyptic number.

25797662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25797662 is a deficient number, since it is larger than the sum of its proper divisors (16527970).

25797662 is a wasteful number, since it uses less digits than its factorization.

25797662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its digits is 317520, while the sum is 44.

The square root of 25797662 is about 5079.1398878157. The cubic root of 25797662 is about 295.4791103750.

The spelling of 25797662 in words is "twenty-five million, seven hundred ninety-seven thousand, six hundred sixty-two".