564426273 has 16 divisors (see below), whose sum is σ = 766584000. Its totient is φ = 369297600.

The previous prime is 564426271. The next prime is 564426281. The reversal of 564426273 is 372624465.

It is not a de Polignac number, because 564426273 - 2¹ = 564426271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564426271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121803 + ... + 126351.

It is an arithmetic number, because the mean of its divisors is an integer number (47911500).

Almost surely, 2^564426273 is an apocalyptic number.

It is an amenable number.

564426273 is a deficient number, since it is larger than the sum of its proper divisors (202157727).

564426273 is a wasteful number, since it uses less digits than its factorization.

564426273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312.

The product of its digits is 241920, while the sum is 39.

The square root of 564426273 is about 23757.6571445924. The cubic root of 564426273 is about 826.4230221063.

The spelling of 564426273 in words is "five hundred sixty-four million, four hundred twenty-six thousand, two hundred seventy-three".