2101499 has 2 divisors, whose sum is σ = 2101500. Its totient is φ = 2101498.

The previous prime is 2101483. The next prime is 2101501. The reversal of 2101499 is 9941012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101499 - 2⁴ = 2101483 is a prime.

Together with 2101501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2101439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050749 + 1050750.

It is an arithmetic number, because the mean of its divisors is an integer number (1050750).

2^2101499 is an apocalyptic number.

2101499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101499 is an equidigital number, since it uses as much as digits as its factorization.

2101499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2101499 is about 1449.6547864923. The cubic root of 2101499 is about 128.0883789052.

The spelling of 2101499 in words is "two million, one hundred one thousand, four hundred ninety-nine".