100364491 has 4 divisors (see below), whose sum is σ = 100504800. Its totient is φ = 100224184.

The previous prime is 100364483. The next prime is 100364501. The reversal of 100364491 is 194463001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194463001 = 8209 ⋅23689.

It is a cyclic number.

It is not a de Polignac number, because 100364491 - 2³ = 100364483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100364431) 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 in 3 ways as a sum of consecutive naturals, for example, 69076 + ... + 70513.

It is an arithmetic number, because the mean of its divisors is an integer number (25126200).

Almost surely, 2^100364491 is an apocalyptic number.

100364491 is a deficient number, since it is larger than the sum of its proper divisors (140309).

100364491 is an equidigital number, since it uses as much as digits as its factorization.

100364491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140308.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 100364491 is about 10018.2079734851. The cubic root of 100364491 is about 464.7221386948.

The spelling of 100364491 in words is "one hundred million, three hundred sixty-four thousand, four hundred ninety-one".