100251013 has 4 divisors (see below), whose sum is σ = 100805068. Its totient is φ = 99696960.

The previous prime is 100250987. The next prime is 100251059. The reversal of 100251013 is 310152001.

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 7745089 + 92505924 = 2783^2 + 9618^2 .

It is a cyclic number.

It is not a de Polignac number, because 100251013 - 2⁵ = 100250981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100250984 and 100251002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100251413) 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, 276756 + ... + 277117.

It is an arithmetic number, because the mean of its divisors is an integer number (25201267).

Almost surely, 2^100251013 is an apocalyptic number.

It is an amenable number.

100251013 is a deficient number, since it is larger than the sum of its proper divisors (554055).

100251013 is an equidigital number, since it uses as much as digits as its factorization.

100251013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554054.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 100251013 is about 10012.5427839286. The cubic root of 100251013 is about 464.5469252429.

The spelling of 100251013 in words is "one hundred million, two hundred fifty-one thousand, thirteen".