525272534 has 32 divisors (see below), whose sum is σ = 827560800. Its totient is φ = 249733120.

The previous prime is 525272519. The next prime is 525272569. The reversal of 525272534 is 435272525.

It is a super-2 number, since 2×525272534² = 551822469949562312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525272494 and 525272503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1952552 + ... + 1952820.

It is an arithmetic number, because the mean of its divisors is an integer number (25861275).

Almost surely, 2^525272534 is an apocalyptic number.

525272534 is a deficient number, since it is larger than the sum of its proper divisors (302288266).

525272534 is a wasteful number, since it uses less digits than its factorization.

525272534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its digits is 84000, while the sum is 35.

The square root of 525272534 is about 22918.8248826156. The cubic root of 525272534 is about 806.8538906623.

Subtracting from 525272534 its reverse (435272525), we obtain a palindrome (90000009).

The spelling of 525272534 in words is "five hundred twenty-five million, two hundred seventy-two thousand, five hundred thirty-four".