25294459 has 2 divisors, whose sum is σ = 25294460. Its totient is φ = 25294458.

The previous prime is 25294441. The next prime is 25294471. The reversal of 25294459 is 95449252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25294459 - 2⁷ = 25294331 is a prime.

It is a super-2 number, since 2×25294459² = 1279619312205362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25294429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12647229 + 12647230.

It is an arithmetic number, because the mean of its divisors is an integer number (12647230).

Almost surely, 2^25294459 is an apocalyptic number.

25294459 is a deficient number, since it is larger than the sum of its proper divisors (1).

25294459 is an equidigital number, since it uses as much as digits as its factorization.

25294459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 25294459 is about 5029.3597007969. The cubic root of 25294459 is about 293.5453003337.

The spelling of 25294459 in words is "twenty-five million, two hundred ninety-four thousand, four hundred fifty-nine".