561476345 has 16 divisors (see below), whose sum is σ = 720220032. Its totient is φ = 419168640.

The previous prime is 561476317. The next prime is 561476387. The reversal of 561476345 is 543674165.

It is not a de Polignac number, because 561476345 - 2⁸ = 561476089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54827 + ... + 64256.

It is an arithmetic number, because the mean of its divisors is an integer number (45013752).

Almost surely, 2^561476345 is an apocalyptic number.

It is an amenable number.

561476345 is a deficient number, since it is larger than the sum of its proper divisors (158743687).

561476345 is a wasteful number, since it uses less digits than its factorization.

561476345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119152.

The product of its digits is 302400, while the sum is 41.

The square root of 561476345 is about 23695.4920818286. The cubic root of 561476345 is about 824.9807623307.

The spelling of 561476345 in words is "five hundred sixty-one million, four hundred seventy-six thousand, three hundred forty-five".