2152499 has 2 divisors, whose sum is σ = 2152500. Its totient is φ = 2152498.

The previous prime is 2152483. The next prime is 2152511. The reversal of 2152499 is 9942512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2152499 - 2⁴ = 2152483 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2152429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076249 + 1076250.

It is an arithmetic number, because the mean of its divisors is an integer number (1076250).

2^2152499 is an apocalyptic number.

2152499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152499 is an equidigital number, since it uses as much as digits as its factorization.

2152499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 2152499 is about 1467.1397343130. The cubic root of 2152499 is about 129.1162743884.

The spelling of 2152499 in words is "two million, one hundred fifty-two thousand, four hundred ninety-nine".