100399357 has 2 divisors, whose sum is σ = 100399358. Its totient is φ = 100399356.

The previous prime is 100399349. The next prime is 100399391. The reversal of 100399357 is 753993001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 15280281 = 9226^2 + 3909^2 .

It is a cyclic number.

It is not a de Polignac number, because 100399357 - 2³ = 100399349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100399307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50199678 + 50199679.

It is an arithmetic number, because the mean of its divisors is an integer number (50199679).

Almost surely, 2^100399357 is an apocalyptic number.

It is an amenable number.

100399357 is a deficient number, since it is larger than the sum of its proper divisors (1).

100399357 is an equidigital number, since it uses as much as digits as its factorization.

100399357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 100399357 is about 10019.9479539566. The cubic root of 100399357 is about 464.7759463247.

The spelling of 100399357 in words is "one hundred million, three hundred ninety-nine thousand, three hundred fifty-seven".