525622272 has 88 divisors (see below), whose sum is σ = 1601179776. Its totient is φ = 150171648.

The previous prime is 525622271. The next prime is 525622277. The reversal of 525622272 is 272226525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525622271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9283 + ... + 33725.

Almost surely, 2^525622272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525622272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800589888).

525622272 is an abundant number, since it is smaller than the sum of its proper divisors (1075557504).

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

525622272 is a wasteful number, since it uses less digits than its factorization.

525622272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473 (or 24455 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 525622272 is about 22926.4535417059. The cubic root of 525622272 is about 807.0329246190.

Adding to 525622272 its reverse (272226525), we get a palindrome (797848797).

The spelling of 525622272 in words is "five hundred twenty-five million, six hundred twenty-two thousand, two hundred seventy-two".