100625313 has 4 divisors (see below), whose sum is σ = 134167088. Its totient is φ = 67083540.

The previous prime is 100625309. The next prime is 100625333. The reversal of 100625313 is 313526001.

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: 313526001 = 3 ⋅104508667.

It is not a de Polignac number, because 100625313 - 2² = 100625309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100625313.

It is not an unprimeable number, because it can be changed into a prime (100625333) 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, 16770883 + ... + 16770888.

It is an arithmetic number, because the mean of its divisors is an integer number (33541772).

Almost surely, 2^100625313 is an apocalyptic number.

It is an amenable number.

100625313 is a deficient number, since it is larger than the sum of its proper divisors (33541775).

100625313 is an equidigital number, since it uses as much as digits as its factorization.

100625313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33541774.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 100625313 is about 10031.2169251791. The cubic root of 100625313 is about 465.1243556871.

The spelling of 100625313 in words is "one hundred million, six hundred twenty-five thousand, three hundred thirteen".