25379091 has 6 divisors (see below), whose sum is σ = 36658700. Its totient is φ = 16919388.

The previous prime is 25379087. The next prime is 25379093. The reversal of 25379091 is 19097352.

It is not a de Polignac number, because 25379091 - 2² = 25379087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25379093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1409941 + ... + 1409958.

Almost surely, 2^25379091 is an apocalyptic number.

25379091 is a deficient number, since it is larger than the sum of its proper divisors (11279609).

25379091 is a wasteful number, since it uses less digits than its factorization.

25379091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819905 (or 2819902 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 25379091 is about 5037.7664693791. The cubic root of 25379091 is about 293.8723241261.

It can be divided in two parts, 2537 and 9091, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 25379091 in words is "twenty-five million, three hundred seventy-nine thousand, ninety-one".