25113499 has 2 divisors, whose sum is σ = 25113500. Its totient is φ = 25113498.

The previous prime is 25113469. The next prime is 25113523. The reversal of 25113499 is 99431152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25113499 - 2⁷ = 25113371 is a prime.

It is not a weakly prime, because it can be changed into another prime (25113469) 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, 12556749 + 12556750.

It is an arithmetic number, because the mean of its divisors is an integer number (12556750).

Almost surely, 2^25113499 is an apocalyptic number.

25113499 is a deficient number, since it is larger than the sum of its proper divisors (1).

25113499 is an equidigital number, since it uses as much as digits as its factorization.

25113499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 25113499 is about 5011.3370471362. The cubic root of 25113499 is about 292.8436033173.

The spelling of 25113499 in words is "twenty-five million, one hundred thirteen thousand, four hundred ninety-nine".