25013099 has 4 divisors (see below), whose sum is σ = 25271064. Its totient is φ = 24755136.

The previous prime is 25013081. The next prime is 25013113. The reversal of 25013099 is 99031052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25013099 - 2⁸ = 25012843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25013299) 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 in 3 ways as a sum of consecutive naturals, for example, 128837 + ... + 129030.

It is an arithmetic number, because the mean of its divisors is an integer number (6317766).

Almost surely, 2^25013099 is an apocalyptic number.

25013099 is a deficient number, since it is larger than the sum of its proper divisors (257965).

25013099 is an equidigital number, since it uses as much as digits as its factorization.

25013099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257964.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 25013099 is about 5001.3097284611. The cubic root of 25013099 is about 292.4528338490.

The spelling of 25013099 in words is "twenty-five million, thirteen thousand, ninety-nine".