561407602 has 24 divisors (see below), whose sum is σ = 981502380. Its totient is φ = 240135840.

The previous prime is 561407569. The next prime is 561407603. The reversal of 561407602 is 206704165.

It is a happy number.

561407602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 524913921 + 36493681 = 22911^2 + 6041^2 .

It is not an unprimeable number, because it can be changed into a prime (561407603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47724 + ... + 58312.

Almost surely, 2^561407602 is an apocalyptic number.

561407602 is a deficient number, since it is larger than the sum of its proper divisors (420094778).

561407602 is a wasteful number, since it uses less digits than its factorization.

561407602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146 (or 11139 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 561407602 is about 23694.0414872600. The cubic root of 561407602 is about 824.9470927810.

The spelling of 561407602 in words is "five hundred sixty-one million, four hundred seven thousand, six hundred two".