25135983 has 12 divisors (see below), whose sum is σ = 36768160. Its totient is φ = 16544736.

The previous prime is 25135973. The next prime is 25136029. The reversal of 25135983 is 38953152.

It is not a de Polignac number, because 25135983 - 2¹⁴ = 25119599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25135933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16966 + ... + 18387.

Almost surely, 2^25135983 is an apocalyptic number.

25135983 is a deficient number, since it is larger than the sum of its proper divisors (11632177).

25135983 is a wasteful number, since it uses less digits than its factorization.

25135983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35438 (or 35435 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 25135983 is about 5013.5798587437. The cubic root of 25135983 is about 292.9309710923.

The spelling of 25135983 in words is "twenty-five million, one hundred thirty-five thousand, nine hundred eighty-three".