25983279 has 48 divisors (see below), whose sum is σ = 46176000. Its totient is φ = 14034384.

The previous prime is 25983277. The next prime is 25983281. The reversal of 25983279 is 97238952.

It is an interprime number because it is at equal distance from previous prime (25983277) and next prime (25983281).

It is not a de Polignac number, because 25983279 - 2¹ = 25983277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25983277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58432 + ... + 58874.

It is an arithmetic number, because the mean of its divisors is an integer number (962000).

Almost surely, 2^25983279 is an apocalyptic number.

25983279 is a deficient number, since it is larger than the sum of its proper divisors (20192721).

25983279 is a wasteful number, since it uses less digits than its factorization.

25983279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 472 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25983279 is about 5097.3796209425. The cubic root of 25983279 is about 296.1860856617.

It can be divided in two parts, 25983 and 279, that added together give a palindrome (26262).

The spelling of 25983279 in words is "twenty-five million, nine hundred eighty-three thousand, two hundred seventy-nine".