25696485 has 24 divisors (see below), whose sum is σ = 44669664. Its totient is φ = 13665120.

The previous prime is 25696471. The next prime is 25696507. The reversal of 25696485 is 58469652.

25696485 is a `hidden beast` number, since 2 + 569 + 6 + 4 + 85 = 666.

It is not a de Polignac number, because 25696485 - 2⁶ = 25696421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25696485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21514 + ... + 22676.

It is an arithmetic number, because the mean of its divisors is an integer number (1861236).

Almost surely, 2^25696485 is an apocalyptic number.

It is an amenable number.

25696485 is a deficient number, since it is larger than the sum of its proper divisors (18973179).

25696485 is a wasteful number, since it uses less digits than its factorization.

25696485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1662 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 25696485 is about 5069.1700504126. The cubic root of 25696485 is about 295.0923200474.

It can be divided in two parts, 256964 and 85, that added together give a square (257049 = 507²).

The spelling of 25696485 in words is "twenty-five million, six hundred ninety-six thousand, four hundred eighty-five".