2501899 has 2 divisors, whose sum is σ = 2501900. Its totient is φ = 2501898.

The previous prime is 2501897. The next prime is 2501911. The reversal of 2501899 is 9981052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2501899 - 2¹ = 2501897 is a prime.

Together with 2501897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2501897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250949 + 1250950.

It is an arithmetic number, because the mean of its divisors is an integer number (1250950).

2^2501899 is an apocalyptic number.

2501899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501899 is an equidigital number, since it uses as much as digits as its factorization.

2501899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2501899 is about 1581.7392326171. The cubic root of 2501899 is about 135.7552366593.

The spelling of 2501899 in words is "two million, five hundred one thousand, eight hundred ninety-nine".