103625409 has 8 divisors (see below), whose sum is σ = 141537312. Its totient is φ = 67398560.

The previous prime is 103625393. The next prime is 103625413. The reversal of 103625409 is 904526301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103625409 - 2⁴ = 103625393 is a prime.

It is a super-3 number, since 3×103625409³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103625479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421119 + ... + 421364.

It is an arithmetic number, because the mean of its divisors is an integer number (17692164).

Almost surely, 2^103625409 is an apocalyptic number.

It is an amenable number.

103625409 is a deficient number, since it is larger than the sum of its proper divisors (37911903).

103625409 is an equidigital number, since it uses as much as digits as its factorization.

103625409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842527.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 103625409 is about 10179.6566248572. The cubic root of 103625409 is about 469.7016500961.

The spelling of 103625409 in words is "one hundred three million, six hundred twenty-five thousand, four hundred nine".