564026403 has 4 divisors (see below), whose sum is σ = 752035208. Its totient is φ = 376017600.

The previous prime is 564026389. The next prime is 564026443. The reversal of 564026403 is 304620465.

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

It is not a de Polignac number, because 564026403 - 2⁴ = 564026387 is a prime.

It is a super-2 number, since 2×564026403² = 636251566562236818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564026443) 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, 94004398 + ... + 94004403.

It is an arithmetic number, because the mean of its divisors is an integer number (188008802).

Almost surely, 2^564026403 is an apocalyptic number.

564026403 is a deficient number, since it is larger than the sum of its proper divisors (188008805).

564026403 is a wasteful number, since it uses less digits than its factorization.

564026403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188008804.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 564026403 is about 23749.2400509995. The cubic root of 564026403 is about 826.2278151269.

Adding to 564026403 its reverse (304620465), we get a palindrome (868646868).

The spelling of 564026403 in words is "five hundred sixty-four million, twenty-six thousand, four hundred three".