525247530 has 16 divisors (see below), whose sum is σ = 1260594144. Its totient is φ = 140066000.

The previous prime is 525247529. The next prime is 525247553. The reversal of 525247530 is 35742525.

It is a super-2 number, since 2×525247530² = 551769935542201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525247491 and 525247500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8754096 + ... + 8754155.

It is an arithmetic number, because the mean of its divisors is an integer number (78787134).

Almost surely, 2^525247530 is an apocalyptic number.

525247530 is an abundant number, since it is smaller than the sum of its proper divisors (735346614).

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

525247530 is a wasteful number, since it uses less digits than its factorization.

525247530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17508261.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 525247530 is about 22918.2793856781. The cubic root of 525247530 is about 806.8410878514.

The spelling of 525247530 in words is "five hundred twenty-five million, two hundred forty-seven thousand, five hundred thirty".