100083257 has 4 divisors (see below), whose sum is σ = 102212736. Its totient is φ = 97953780.

The previous prime is 100083251. The next prime is 100083287. The reversal of 100083257 is 752380001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 752380001 = 2137 ⋅352073.

It is a cyclic number.

It is not a de Polignac number, because 100083257 - 2¹⁰ = 100082233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100083251) 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, 1064669 + ... + 1064762.

It is an arithmetic number, because the mean of its divisors is an integer number (25553184).

Almost surely, 2^100083257 is an apocalyptic number.

It is an amenable number.

100083257 is a deficient number, since it is larger than the sum of its proper divisors (2129479).

100083257 is an equidigital number, since it uses as much as digits as its factorization.

100083257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129478.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 100083257 is about 10004.1619838945. The cubic root of 100083257 is about 464.2876625492.

The spelling of 100083257 in words is "one hundred million, eighty-three thousand, two hundred fifty-seven".