375565009 has 4 divisors (see below), whose sum is σ = 375606640. Its totient is φ = 375523380.

The previous prime is 375565007. The next prime is 375565013. The reversal of 375565009 is 900565573.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 375565009 - 2¹ = 375565007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375565007) 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, 987 + ... + 27424.

It is an arithmetic number, because the mean of its divisors is an integer number (93901660).

Almost surely, 2^375565009 is an apocalyptic number.

It is an amenable number.

375565009 is a deficient number, since it is larger than the sum of its proper divisors (41631).

375565009 is a wasteful number, since it uses less digits than its factorization.

375565009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41630.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 375565009 is about 19379.4997097448. The cubic root of 375565009 is about 721.4867740739.

The spelling of 375565009 in words is "three hundred seventy-five million, five hundred sixty-five thousand, nine".