25136791 has 12 divisors (see below), whose sum is σ = 26746200. Its totient is φ = 23619888.

The previous prime is 25136759. The next prime is 25136803. The reversal of 25136791 is 19763152.

It is not a de Polignac number, because 25136791 - 2⁵ = 25136759 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 (25136711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64425 + ... + 64813.

It is an arithmetic number, because the mean of its divisors is an integer number (2228850).

Almost surely, 2^25136791 is an apocalyptic number.

25136791 is a deficient number, since it is larger than the sum of its proper divisors (1609409).

25136791 is a wasteful number, since it uses less digits than its factorization.

25136791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 587 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 25136791 is about 5013.6604392400. The cubic root of 25136791 is about 292.9341098289.

The spelling of 25136791 in words is "twenty-five million, one hundred thirty-six thousand, seven hundred ninety-one".