566421461 has 4 divisors (see below), whose sum is σ = 569268000. Its totient is φ = 563574924.

The previous prime is 566421439. The next prime is 566421463. The reversal of 566421461 is 164124665.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566421461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566421463) 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, 1422971 + ... + 1423368.

It is an arithmetic number, because the mean of its divisors is an integer number (142317000).

Almost surely, 2^566421461 is an apocalyptic number.

It is an amenable number.

566421461 is a deficient number, since it is larger than the sum of its proper divisors (2846539).

566421461 is a wasteful number, since it uses less digits than its factorization.

566421461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846538.

The product of its digits is 34560, while the sum is 35.

The square root of 566421461 is about 23799.6105220233. The cubic root of 566421461 is about 827.3956500187.

The spelling of 566421461 in words is "five hundred sixty-six million, four hundred twenty-one thousand, four hundred sixty-one".