100193057 has 4 divisors (see below), whose sum is σ = 103648020. Its totient is φ = 96738096.

The previous prime is 100193047. The next prime is 100193059. The reversal of 100193057 is 750391001.

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 56685841 + 43507216 = 7529^2 + 6596^2 .

It is a cyclic number.

It is not a de Polignac number, because 100193057 - 2⁸ = 100192801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100193059) 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, 1727438 + ... + 1727495.

It is an arithmetic number, because the mean of its divisors is an integer number (25912005).

Almost surely, 2^100193057 is an apocalyptic number.

It is an amenable number.

100193057 is a deficient number, since it is larger than the sum of its proper divisors (3454963).

100193057 is an equidigital number, since it uses as much as digits as its factorization.

100193057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454962.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 100193057 is about 10009.6481956161. The cubic root of 100193057 is about 464.4573884205.

The spelling of 100193057 in words is "one hundred million, one hundred ninety-three thousand, fifty-seven".