525355330 has 8 divisors (see below), whose sum is σ = 945639612. Its totient is φ = 210142128.

The previous prime is 525355309. The next prime is 525355333. The reversal of 525355330 is 33553525.

It can be written as a sum of positive squares in 2 ways, for example, as 513883561 + 11471769 = 22669^2 + 3387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 525355292 and 525355301.

It is not an unprimeable number, because it can be changed into a prime (525355333) 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, 26267757 + ... + 26267776.

Almost surely, 2^525355330 is an apocalyptic number.

525355330 is a deficient number, since it is larger than the sum of its proper divisors (420284282).

525355330 is a wasteful number, since it uses less digits than its factorization.

525355330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52535540.

The product of its (nonzero) digits is 33750, while the sum is 31.

The square root of 525355330 is about 22920.6310995138. The cubic root of 525355330 is about 806.8962818406.

The spelling of 525355330 in words is "five hundred twenty-five million, three hundred fifty-five thousand, three hundred thirty".