25514579 has 2 divisors, whose sum is σ = 25514580. Its totient is φ = 25514578.

The previous prime is 25514557. The next prime is 25514591. The reversal of 25514579 is 97541552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25514579 - 2⁸ = 25514323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25514509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757289 + 12757290.

It is an arithmetic number, because the mean of its divisors is an integer number (12757290).

Almost surely, 2^25514579 is an apocalyptic number.

25514579 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514579 is an equidigital number, since it uses as much as digits as its factorization.

25514579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 38.

The square root of 25514579 is about 5051.1957990163. The cubic root of 25514579 is about 294.3943487206.

The spelling of 25514579 in words is "twenty-five million, five hundred fourteen thousand, five hundred seventy-nine".