100513969 has 2 divisors, whose sum is σ = 100513970. Its totient is φ = 100513968.

The previous prime is 100513967. The next prime is 100514021. The reversal of 100513969 is 969315001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 113569 = 10020^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 100513969 - 2¹ = 100513967 is a prime.

It is a super-2 number, since 2×100513969² = 20206115928265922, which contains 22 as substring.

Together with 100513967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100513961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50256984 + 50256985.

It is an arithmetic number, because the mean of its divisors is an integer number (50256985).

Almost surely, 2^100513969 is an apocalyptic number.

It is an amenable number.

100513969 is a deficient number, since it is larger than the sum of its proper divisors (1).

100513969 is an equidigital number, since it uses as much as digits as its factorization.

100513969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 100513969 is about 10025.6655140694. The cubic root of 100513969 is about 464.9527357826.

The spelling of 100513969 in words is "one hundred million, five hundred thirteen thousand, nine hundred sixty-nine".