566421451 has 4 divisors (see below), whose sum is σ = 566535400. Its totient is φ = 566307504.

The previous prime is 566421439. The next prime is 566421463. The reversal of 566421451 is 154124665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154124665 = 5 ⋅30824933.

It is an interprime number because it is at equal distance from previous prime (566421439) and next prime (566421463).

It is a cyclic number.

It is not a de Polignac number, because 566421451 - 2¹⁷ = 566290379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566424451) 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, 49161 + ... + 59578.

It is an arithmetic number, because the mean of its divisors is an integer number (141633850).

Almost surely, 2^566421451 is an apocalyptic number.

566421451 is a deficient number, since it is larger than the sum of its proper divisors (113949).

566421451 is a wasteful number, since it uses less digits than its factorization.

566421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113948.

The product of its digits is 28800, while the sum is 34.

The square root of 566421451 is about 23799.6103119358. The cubic root of 566421451 is about 827.3956451496.

The spelling of 566421451 in words is "five hundred sixty-six million, four hundred twenty-one thousand, four hundred fifty-one".