107345561 has 4 divisors (see below), whose sum is σ = 107366400. Its totient is φ = 107324724.

The previous prime is 107345507. The next prime is 107345647. The reversal of 107345561 is 165543701.

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, and also an emirpimes, since its reverse is a distinct semiprime: 165543701 = 709 ⋅233489.

It is a cyclic number.

It is not a de Polignac number, because 107345561 - 2²⁶ = 40236697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107344561) 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, 3560 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (26841600).

Almost surely, 2^107345561 is an apocalyptic number.

It is an amenable number.

107345561 is a deficient number, since it is larger than the sum of its proper divisors (20839).

107345561 is an equidigital number, since it uses as much as digits as its factorization.

107345561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 107345561 is about 10360.7702898964. The cubic root of 107345561 is about 475.2564613222.

The spelling of 107345561 in words is "one hundred seven million, three hundred forty-five thousand, five hundred sixty-one".