25334539 has 4 divisors (see below), whose sum is σ = 26824824. Its totient is φ = 23844256.

The previous prime is 25334521. The next prime is 25334549. The reversal of 25334539 is 93543352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25334539 - 2⁷ = 25334411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25334549) 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, 745117 + ... + 745150.

It is an arithmetic number, because the mean of its divisors is an integer number (6706206).

Almost surely, 2^25334539 is an apocalyptic number.

25334539 is a deficient number, since it is larger than the sum of its proper divisors (1490285).

25334539 is a wasteful number, since it uses less digits than its factorization.

25334539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490284.

The product of its digits is 48600, while the sum is 34.

The square root of 25334539 is about 5033.3427262606. The cubic root of 25334539 is about 293.7002629538.

The spelling of 25334539 in words is "twenty-five million, three hundred thirty-four thousand, five hundred thirty-nine".