108675561 has 4 divisors (see below), whose sum is σ = 144900752. Its totient is φ = 72450372.

The previous prime is 108675559. The next prime is 108675563. The reversal of 108675561 is 165576801.

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 an interprime number because it is at equal distance from previous prime (108675559) and next prime (108675563).

It is not a de Polignac number, because 108675561 - 2¹ = 108675559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108675563) 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, 18112591 + ... + 18112596.

It is an arithmetic number, because the mean of its divisors is an integer number (36225188).

Almost surely, 2^108675561 is an apocalyptic number.

It is an amenable number.

108675561 is a deficient number, since it is larger than the sum of its proper divisors (36225191).

108675561 is an equidigital number, since it uses as much as digits as its factorization.

108675561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225190.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 108675561 is about 10424.7571194729. The cubic root of 108675561 is about 477.2112026139.

The spelling of 108675561 in words is "one hundred eight million, six hundred seventy-five thousand, five hundred sixty-one".