103561633 has 8 divisors (see below), whose sum is σ = 120874752. Its totient is φ = 86878176.

The previous prime is 103561621. The next prime is 103561643. The reversal of 103561633 is 336165301.

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

It is a de Polignac number, because none of the positive numbers 2^k-103561633 is a prime.

It is a super-3 number, since 3×103561633³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103561643) 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, 157060 + ... + 157717.

It is an arithmetic number, because the mean of its divisors is an integer number (15109344).

Almost surely, 2^103561633 is an apocalyptic number.

It is an amenable number.

103561633 is a deficient number, since it is larger than the sum of its proper divisors (17313119).

103561633 is an equidigital number, since it uses as much as digits as its factorization.

103561633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314831.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 103561633 is about 10176.5236205691. The cubic root of 103561633 is about 469.6052714177.

The spelling of 103561633 in words is "one hundred three million, five hundred sixty-one thousand, six hundred thirty-three".