25094479 has 2 divisors, whose sum is σ = 25094480. Its totient is φ = 25094478.

The previous prime is 25094467. The next prime is 25094513. The reversal of 25094479 is 97449052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25094479 - 2²¹ = 22997327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25074479) 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, 12547239 + 12547240.

It is an arithmetic number, because the mean of its divisors is an integer number (12547240).

Almost surely, 2^25094479 is an apocalyptic number.

25094479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25094479 is an equidigital number, since it uses as much as digits as its factorization.

25094479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 25094479 is about 5009.4389905457. The cubic root of 25094479 is about 292.7696551448.

The spelling of 25094479 in words is "twenty-five million, ninety-four thousand, four hundred seventy-nine".