104990513 has 2 divisors, whose sum is σ = 104990514. Its totient is φ = 104990512.

The previous prime is 104990507. The next prime is 104990533. The reversal of 104990513 is 315099401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99760144 + 5230369 = 9988^2 + 2287^2 .

It is a cyclic number.

It is not a de Polignac number, because 104990513 - 2⁶ = 104990449 is a prime.

It is a super-2 number, since 2×104990513² = 22046015640006338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104990513.

It is not a weakly prime, because it can be changed into another prime (104990503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52495256 + 52495257.

It is an arithmetic number, because the mean of its divisors is an integer number (52495257).

Almost surely, 2^104990513 is an apocalyptic number.

It is an amenable number.

104990513 is a deficient number, since it is larger than the sum of its proper divisors (1).

104990513 is an equidigital number, since it uses as much as digits as its factorization.

104990513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 104990513 is about 10246.4878373031. The cubic root of 104990513 is about 471.7551891076.

The spelling of 104990513 in words is "one hundred four million, nine hundred ninety thousand, five hundred thirteen".