525564223 has 4 divisors (see below), whose sum is σ = 532966608. Its totient is φ = 518161840.

The previous prime is 525564211. The next prime is 525564241. The reversal of 525564223 is 322465525.

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

It is a cyclic number.

It is not a de Polignac number, because 525564223 - 2⁹ = 525563711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525564203) 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, 3701086 + ... + 3701227.

It is an arithmetic number, because the mean of its divisors is an integer number (133241652).

Almost surely, 2^525564223 is an apocalyptic number.

525564223 is a deficient number, since it is larger than the sum of its proper divisors (7402385).

525564223 is an equidigital number, since it uses as much as digits as its factorization.

525564223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402384.

The product of its digits is 72000, while the sum is 34.

The square root of 525564223 is about 22925.1875237696. The cubic root of 525564223 is about 807.0032143235.

The spelling of 525564223 in words is "five hundred twenty-five million, five hundred sixty-four thousand, two hundred twenty-three".