525531272 has 48 divisors (see below), whose sum is σ = 1185799500. Its totient is φ = 217456512.

The previous prime is 525531271. The next prime is 525531311. The reversal of 525531272 is 272135525.

It can be written as a sum of positive squares in 2 ways, for example, as 447491716 + 78039556 = 21154^2 + 8834^2 .

It is not an unprimeable number, because it can be changed into a prime (525531271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11747 + ... + 34482.

Almost surely, 2^525531272 is an apocalyptic number.

It is an amenable number.

525531272 is an abundant number, since it is smaller than the sum of its proper divisors (660268228).

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

525531272 is a wasteful number, since it uses less digits than its factorization.

525531272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46278 (or 46267 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 525531272 is about 22924.4688488087. The cubic root of 525531272 is about 806.9863485645.

Adding to 525531272 its reverse (272135525), we get a palindrome (797666797).

The spelling of 525531272 in words is "five hundred twenty-five million, five hundred thirty-one thousand, two hundred seventy-two".