25698964 has 24 divisors (see below), whose sum is σ = 46305000. Its totient is φ = 12472320.

The previous prime is 25698961. The next prime is 25698973. The reversal of 25698964 is 46989652.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 23619600 = 1442^2 + 4860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25698961) 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, 57012 + ... + 57460.

It is an arithmetic number, because the mean of its divisors is an integer number (1929375).

Almost surely, 2^25698964 is an apocalyptic number.

It is an amenable number.

25698964 is a deficient number, since it is larger than the sum of its proper divisors (20606036).

25698964 is a wasteful number, since it uses less digits than its factorization.

25698964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 841 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 25698964 is about 5069.4145618602. The cubic root of 25698964 is about 295.1018091576.

It can be divided in two parts, 25698 and 964, that added together give a palindrome (26662).

The spelling of 25698964 in words is "twenty-five million, six hundred ninety-eight thousand, nine hundred sixty-four".