100090637 has 2 divisors, whose sum is σ = 100090638. Its totient is φ = 100090636.

The previous prime is 100090597. The next prime is 100090649. The reversal of 100090637 is 736090001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99480676 + 609961 = 9974^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 100090637 - 2¹⁸ = 99828493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100090657) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045318 + 50045319.

It is an arithmetic number, because the mean of its divisors is an integer number (50045319).

Almost surely, 2^100090637 is an apocalyptic number.

It is an amenable number.

100090637 is a deficient number, since it is larger than the sum of its proper divisors (1).

100090637 is an equidigital number, since it uses as much as digits as its factorization.

100090637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 100090637 is about 10004.5308235819. The cubic root of 100090637 is about 464.2990742439.

The spelling of 100090637 in words is "one hundred million, ninety thousand, six hundred thirty-seven".