100253999 has 2 divisors, whose sum is σ = 100254000. Its totient is φ = 100253998.

The previous prime is 100253983. The next prime is 100254023. The reversal of 100253999 is 999352001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100253999 - 2⁴ = 100253983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100253929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50126999 + 50127000.

It is an arithmetic number, because the mean of its divisors is an integer number (50127000).

Almost surely, 2^100253999 is an apocalyptic number.

100253999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100253999 is an equidigital number, since it uses as much as digits as its factorization.

100253999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 100253999 is about 10012.6918957891. The cubic root of 100253999 is about 464.5515374103.

The spelling of 100253999 in words is "one hundred million, two hundred fifty-three thousand, nine hundred ninety-nine".