100290913 has 2 divisors, whose sum is σ = 100290914. Its totient is φ = 100290912.

The previous prime is 100290907. The next prime is 100290917. The reversal of 100290913 is 319092001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84033889 + 16257024 = 9167^2 + 4032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100290913 is a prime.

It is not a weakly prime, because it can be changed into another prime (100290917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50145456 + 50145457.

It is an arithmetic number, because the mean of its divisors is an integer number (50145457).

Almost surely, 2^100290913 is an apocalyptic number.

It is an amenable number.

100290913 is a deficient number, since it is larger than the sum of its proper divisors (1).

100290913 is an equidigital number, since it uses as much as digits as its factorization.

100290913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 100290913 is about 10014.5350865629. The cubic root of 100290913 is about 464.6085471101.

The spelling of 100290913 in words is "one hundred million, two hundred ninety thousand, nine hundred thirteen".