526428564 has 24 divisors (see below), whose sum is σ = 1240497888. Its totient is φ = 173738400.

The previous prime is 526428541. The next prime is 526428569. The reversal of 526428564 is 465824625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526428569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215962 + ... + 218385.

It is an arithmetic number, because the mean of its divisors is an integer number (51687412).

Almost surely, 2^526428564 is an apocalyptic number.

It is an amenable number.

526428564 is an abundant number, since it is smaller than the sum of its proper divisors (714069324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526428564 is a wasteful number, since it uses less digits than its factorization.

526428564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434455 (or 434453 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 526428564 is about 22944.0311192258. The cubic root of 526428564 is about 807.4453702015.

The spelling of 526428564 in words is "five hundred twenty-six million, four hundred twenty-eight thousand, five hundred sixty-four".