100479493 has 2 divisors, whose sum is σ = 100479494. Its totient is φ = 100479492.

The previous prime is 100479481. The next prime is 100479517. The reversal of 100479493 is 394974001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74080449 + 26399044 = 8607^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 100479493 - 2⁹ = 100478981 is a prime.

It is a super-2 number, since 2×100479493² = 20192257027074098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100479443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50239746 + 50239747.

It is an arithmetic number, because the mean of its divisors is an integer number (50239747).

Almost surely, 2^100479493 is an apocalyptic number.

It is an amenable number.

100479493 is a deficient number, since it is larger than the sum of its proper divisors (1).

100479493 is an equidigital number, since it uses as much as digits as its factorization.

100479493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 100479493 is about 10023.9459795033. The cubic root of 100479493 is about 464.8995705568.

The spelling of 100479493 in words is "one hundred million, four hundred seventy-nine thousand, four hundred ninety-three".