25130279 has 2 divisors, whose sum is σ = 25130280. Its totient is φ = 25130278.

The previous prime is 25130263. The next prime is 25130291. The reversal of 25130279 is 97203152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25130279 - 2⁴ = 25130263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25130219) 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 as a sum of consecutive naturals, namely, 12565139 + 12565140.

It is an arithmetic number, because the mean of its divisors is an integer number (12565140).

Almost surely, 2^25130279 is an apocalyptic number.

25130279 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130279 is an equidigital number, since it uses as much as digits as its factorization.

25130279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 25130279 is about 5013.0109714622. The cubic root of 25130279 is about 292.9088115629.

The spelling of 25130279 in words is "twenty-five million, one hundred thirty thousand, two hundred seventy-nine".