564051397 has 18 divisors (see below), whose sum is σ = 707365554. Its totient is φ = 445808160.

The previous prime is 564051361. The next prime is 564051401. The reversal of 564051397 is 793150465.

It can be written as a sum of positive squares in 3 ways, for example, as 55368481 + 508682916 = 7441^2 + 22554^2 .

It is not a de Polignac number, because 564051397 - 2²⁷ = 429833669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564051307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 598947 + ... + 599887.

Almost surely, 2^564051397 is an apocalyptic number.

It is an amenable number.

564051397 is a deficient number, since it is larger than the sum of its proper divisors (143314157).

564051397 is an frugal number, since it uses more digits than its factorization.

564051397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 564051397 is about 23749.7662514813. The cubic root of 564051397 is about 826.2400193032.

The spelling of 564051397 in words is "five hundred sixty-four million, fifty-one thousand, three hundred ninety-seven".