2505499 has 2 divisors, whose sum is σ = 2505500. Its totient is φ = 2505498.

The previous prime is 2505487. The next prime is 2505527. The reversal of 2505499 is 9945052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2505499 - 2⁹ = 2504987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2503499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252749 + 1252750.

It is an arithmetic number, because the mean of its divisors is an integer number (1252750).

2^2505499 is an apocalyptic number.

2505499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505499 is an equidigital number, since it uses as much as digits as its factorization.

2505499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 2505499 is about 1582.8768113786. The cubic root of 2505499 is about 135.8203185075.

The spelling of 2505499 in words is "two million, five hundred five thousand, four hundred ninety-nine".