100913273 has 4 divisors (see below), whose sum is σ = 102047220. Its totient is φ = 99779328.

The previous prime is 100913251. The next prime is 100913291. The reversal of 100913273 is 372319001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51955264 + 48958009 = 7208^2 + 6997^2 .

It is a cyclic number.

It is not a de Polignac number, because 100913273 - 2⁸ = 100913017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100913203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566840 + ... + 567017.

It is an arithmetic number, because the mean of its divisors is an integer number (25511805).

Almost surely, 2^100913273 is an apocalyptic number.

It is an amenable number.

100913273 is a deficient number, since it is larger than the sum of its proper divisors (1133947).

100913273 is an equidigital number, since it uses as much as digits as its factorization.

100913273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133946.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 100913273 is about 10045.5598649354. The cubic root of 100913273 is about 465.5676160864.

The spelling of 100913273 in words is "one hundred million, nine hundred thirteen thousand, two hundred seventy-three".