25135937 has 4 divisors (see below), whose sum is σ = 25246896. Its totient is φ = 25024980.

The previous prime is 25135933. The next prime is 25135949. The reversal of 25135937 is 73953152.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25135937 - 2² = 25135933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25135897 and 25135906.

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 3 ways as a sum of consecutive naturals, for example, 55139 + ... + 55592.

It is an arithmetic number, because the mean of its divisors is an integer number (6311724).

Almost surely, 2^25135937 is an apocalyptic number.

It is an amenable number.

25135937 is a deficient number, since it is larger than the sum of its proper divisors (110959).

25135937 is a wasteful number, since it uses less digits than its factorization.

25135937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110958.

The product of its digits is 28350, while the sum is 35.

The square root of 25135937 is about 5013.5752712012. The cubic root of 25135937 is about 292.9307923998.

The spelling of 25135937 in words is "twenty-five million, one hundred thirty-five thousand, nine hundred thirty-seven".