525303506 has 32 divisors (see below), whose sum is σ = 1003242240. Its totient is φ = 200644416.

The previous prime is 525303503. The next prime is 525303533. The reversal of 525303506 is 605303525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (525303503) 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, 44486 + ... + 55041.

It is an arithmetic number, because the mean of its divisors is an integer number (31351320).

Almost surely, 2^525303506 is an apocalyptic number.

525303506 is a deficient number, since it is larger than the sum of its proper divisors (477938734).

525303506 is a wasteful number, since it uses less digits than its factorization.

525303506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99578.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 525303506 is about 22919.5005617487. The cubic root of 525303506 is about 806.8697487080.

The spelling of 525303506 in words is "five hundred twenty-five million, three hundred three thousand, five hundred six".