100870519 has 2 divisors, whose sum is σ = 100870520. Its totient is φ = 100870518.

The previous prime is 100870477. The next prime is 100870529. The reversal of 100870519 is 915078001.

It is a strong prime.

It is an emirp because it is prime and its reverse (915078001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100870519 is a prime.

It is a super-2 number, since 2×100870519² = 20349723206658722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100870529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50435259 + 50435260.

It is an arithmetic number, because the mean of its divisors is an integer number (50435260).

Almost surely, 2^100870519 is an apocalyptic number.

100870519 is a deficient number, since it is larger than the sum of its proper divisors (1).

100870519 is an equidigital number, since it uses as much as digits as its factorization.

100870519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 100870519 is about 10043.4316346556. The cubic root of 100870519 is about 465.5018576750.

The spelling of 100870519 in words is "one hundred million, eight hundred seventy thousand, five hundred nineteen".