361563609 has 24 divisors (see below), whose sum is σ = 532919296. Its totient is φ = 217879200.

The previous prime is 361563607. The next prime is 361563613. The reversal of 361563609 is 906365163.

It is not a de Polignac number, because 361563609 - 2¹ = 361563607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361563607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62952 + ... + 68454.

Almost surely, 2^361563609 is an apocalyptic number.

It is an amenable number.

361563609 is a deficient number, since it is larger than the sum of its proper divisors (171355687).

361563609 is a wasteful number, since it uses less digits than its factorization.

361563609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 361563609 is about 19014.8260312841. The cubic root of 361563609 is about 712.4070975208.

The spelling of 361563609 in words is "three hundred sixty-one million, five hundred sixty-three thousand, six hundred nine".