103152561 has 4 divisors (see below), whose sum is σ = 137536752. Its totient is φ = 68768372.

The previous prime is 103152529. The next prime is 103152587. The reversal of 103152561 is 165251301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103152561 - 2⁵ = 103152529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103152521) 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, 17192091 + ... + 17192096.

It is an arithmetic number, because the mean of its divisors is an integer number (34384188).

Almost surely, 2^103152561 is an apocalyptic number.

It is an amenable number.

103152561 is a deficient number, since it is larger than the sum of its proper divisors (34384191).

103152561 is an equidigital number, since it uses as much as digits as its factorization.

103152561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384190.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 103152561 is about 10156.4049249722. The cubic root of 103152561 is about 468.9861365266.

The spelling of 103152561 in words is "one hundred three million, one hundred fifty-two thousand, five hundred sixty-one".