103625591 has 12 divisors (see below), whose sum is σ = 113392656. Its totient is φ = 94368960.

The previous prime is 103625579. The next prime is 103625597. The reversal of 103625591 is 195526301.

It is not a de Polignac number, because 103625591 - 2⁶ = 103625527 is a prime.

It is a super-3 number, since 3×103625591³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103625597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13166 + ... + 19508.

It is an arithmetic number, because the mean of its divisors is an integer number (9449388).

Almost surely, 2^103625591 is an apocalyptic number.

103625591 is a deficient number, since it is larger than the sum of its proper divisors (9767065).

103625591 is an equidigital number, since it uses as much as digits as its factorization.

103625591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 103625591 is about 10179.6655642511. The cubic root of 103625591 is about 469.7019250790.

The spelling of 103625591 in words is "one hundred three million, six hundred twenty-five thousand, five hundred ninety-one".