525272530 has 16 divisors (see below), whose sum is σ = 946572480. Its totient is φ = 209868592.

The previous prime is 525272519. The next prime is 525272569. The reversal of 525272530 is 35272525.

It is a super-2 number, since 2×525272530² = 551822461545201800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525272492 and 525272501.

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, 20740 + ... + 38479.

It is an arithmetic number, because the mean of its divisors is an integer number (59160780).

Almost surely, 2^525272530 is an apocalyptic number.

525272530 is a deficient number, since it is larger than the sum of its proper divisors (421299950).

525272530 is a wasteful number, since it uses less digits than its factorization.

525272530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60113.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 525272530 is about 22918.8247953511. The cubic root of 525272530 is about 806.8538886142.

The spelling of 525272530 in words is "five hundred twenty-five million, two hundred seventy-two thousand, five hundred thirty".