24990899 has 2 divisors, whose sum is σ = 24990900. Its totient is φ = 24990898.

The previous prime is 24990877. The next prime is 24990913. The reversal of 24990899 is 99809942.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24990899 is a prime.

It is not a weakly prime, because it can be changed into another prime (24990839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12495449 + 12495450.

It is an arithmetic number, because the mean of its divisors is an integer number (12495450).

Almost surely, 2^24990899 is an apocalyptic number.

24990899 is a deficient number, since it is larger than the sum of its proper divisors (1).

24990899 is an equidigital number, since it uses as much as digits as its factorization.

24990899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 24990899 is about 4999.0898171567. The cubic root of 24990899 is about 292.3662875342.

The spelling of 24990899 in words is "twenty-four million, nine hundred ninety thousand, eight hundred ninety-nine".