564848731 has 4 divisors (see below), whose sum is σ = 577984792. Its totient is φ = 551712672.

The previous prime is 564848729. The next prime is 564848819. The reversal of 564848731 is 137848465.

It is a happy number.

564848731 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, and also an emirpimes, since its reverse is a distinct semiprime: 137848465 = 5 ⋅27569693.

It is a cyclic number.

It is not a de Polignac number, because 564848731 - 2¹ = 564848729 is a prime.

It is a super-2 number, since 2×564848731² = 638108177824620722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564843731) 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, 6567966 + ... + 6568051.

It is an arithmetic number, because the mean of its divisors is an integer number (144496198).

Almost surely, 2^564848731 is an apocalyptic number.

564848731 is a deficient number, since it is larger than the sum of its proper divisors (13136061).

564848731 is a wasteful number, since it uses less digits than its factorization.

564848731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136060.

The product of its digits is 645120, while the sum is 46.

The square root of 564848731 is about 23766.5464676717. The cubic root of 564848731 is about 826.6291558776.

The spelling of 564848731 in words is "five hundred sixty-four million, eight hundred forty-eight thousand, seven hundred thirty-one".