100508819 has 2 divisors, whose sum is σ = 100508820. Its totient is φ = 100508818.

The previous prime is 100508813. The next prime is 100508831. The reversal of 100508819 is 918805001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100508819 - 2¹⁶ = 100443283 is a prime.

It is a super-2 number, since 2×100508819² = 20204045393549522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100508813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50254409 + 50254410.

It is an arithmetic number, because the mean of its divisors is an integer number (50254410).

Almost surely, 2^100508819 is an apocalyptic number.

100508819 is a deficient number, since it is larger than the sum of its proper divisors (1).

100508819 is an equidigital number, since it uses as much as digits as its factorization.

100508819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 100508819 is about 10025.4086699745. The cubic root of 100508819 is about 464.9447947720.

The spelling of 100508819 in words is "one hundred million, five hundred eight thousand, eight hundred nineteen".