252101099 has 2 divisors, whose sum is σ = 252101100. Its totient is φ = 252101098.

The previous prime is 252101071. The next prime is 252101123. The reversal of 252101099 is 990101252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252101099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (252101599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126050549 + 126050550.

It is an arithmetic number, because the mean of its divisors is an integer number (126050550).

Almost surely, 2^252101099 is an apocalyptic number.

252101099 is a deficient number, since it is larger than the sum of its proper divisors (1).

252101099 is an equidigital number, since it uses as much as digits as its factorization.

252101099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 252101099 is about 15877.6918662632. The cubic root of 252101099 is about 631.7204164140.

The spelling of 252101099 in words is "two hundred fifty-two million, one hundred one thousand, ninety-nine".