561411274 has 4 divisors (see below), whose sum is σ = 842116914. Its totient is φ = 280705636.

The previous prime is 561411269. The next prime is 561411293. The reversal of 561411274 is 472114165.

561411274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 488189025 + 73222249 = 22095^2 + 8557^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140352817 + ... + 140352820.

Almost surely, 2^561411274 is an apocalyptic number.

561411274 is a deficient number, since it is larger than the sum of its proper divisors (280705640).

561411274 is a wasteful number, since it uses less digits than its factorization.

561411274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280705639.

The product of its digits is 6720, while the sum is 31.

The square root of 561411274 is about 23694.1189749693. The cubic root of 561411274 is about 824.9488913549.

The spelling of 561411274 in words is "five hundred sixty-one million, four hundred eleven thousand, two hundred seventy-four".