25978683 has 8 divisors (see below), whose sum is σ = 34888000. Its totient is φ = 17194248.

The previous prime is 25978663. The next prime is 25978697. The reversal of 25978683 is 38687952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25978683 - 2¹⁸ = 25716539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25978663) 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, 30733 + ... + 31566.

It is an arithmetic number, because the mean of its divisors is an integer number (4361000).

Almost surely, 2^25978683 is an apocalyptic number.

25978683 is a deficient number, since it is larger than the sum of its proper divisors (8909317).

25978683 is a wasteful number, since it uses less digits than its factorization.

25978683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62441.

The product of its digits is 725760, while the sum is 48.

The square root of 25978683 is about 5096.9287811387. The cubic root of 25978683 is about 296.1686212054.

The spelling of 25978683 in words is "twenty-five million, nine hundred seventy-eight thousand, six hundred eighty-three".