526564225 has 24 divisors (see below), whose sum is σ = 717954048. Its totient is φ = 379915200.

The previous prime is 526564219. The next prime is 526564237. The reversal of 526564225 is 522465625.

It is not a de Polignac number, because 526564225 - 2³ = 526564217 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27387 + ... + 42463.

It is an arithmetic number, because the mean of its divisors is an integer number (29914752).

Almost surely, 2^526564225 is an apocalyptic number.

526564225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

526564225 is a deficient number, since it is larger than the sum of its proper divisors (191389823).

526564225 is a wasteful number, since it uses less digits than its factorization.

526564225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225 (or 15220 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 526564225 is about 22946.9872750215. The cubic root of 526564225 is about 807.5147239852.

The spelling of 526564225 in words is "five hundred twenty-six million, five hundred sixty-four thousand, two hundred twenty-five".