525396628 has 24 divisors (see below), whose sum is σ = 974370600. Its totient is φ = 247031808.

The previous prime is 525396623. The next prime is 525396727. The reversal of 525396628 is 826693525.

It can be written as a sum of positive squares in 4 ways, for example, as 140138244 + 385258384 = 11838^2 + 19628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525396623) 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, 98658 + ... + 103846.

It is an arithmetic number, because the mean of its divisors is an integer number (40598775).

Almost surely, 2^525396628 is an apocalyptic number.

It is an amenable number.

525396628 is a deficient number, since it is larger than the sum of its proper divisors (448973972).

525396628 is a wasteful number, since it uses less digits than its factorization.

525396628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699 (or 6697 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 525396628 is about 22921.5319732342. The cubic root of 525396628 is about 806.9174245655.

The spelling of 525396628 in words is "five hundred twenty-five million, three hundred ninety-six thousand, six hundred twenty-eight".