100880513 has 2 divisors, whose sum is σ = 100880514. Its totient is φ = 100880512.

The previous prime is 100880497. The next prime is 100880543. The reversal of 100880513 is 315088001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60341824 + 40538689 = 7768^2 + 6367^2 .

It is a cyclic number.

It is not a de Polignac number, because 100880513 - 2⁴ = 100880497 is a prime.

It is not a weakly prime, because it can be changed into another prime (100880543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50440256 + 50440257.

It is an arithmetic number, because the mean of its divisors is an integer number (50440257).

Almost surely, 2^100880513 is an apocalyptic number.

It is an amenable number.

100880513 is a deficient number, since it is larger than the sum of its proper divisors (1).

100880513 is an equidigital number, since it uses as much as digits as its factorization.

100880513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 100880513 is about 10043.9291614388. The cubic root of 100880513 is about 465.5172307558.

The spelling of 100880513 in words is "one hundred million, eight hundred eighty thousand, five hundred thirteen".