535513572 has 144 divisors (see below), whose sum is σ = 1563186240. Its totient is φ = 158336640.

The previous prime is 535513567. The next prime is 535513579. The reversal of 535513572 is 275315535.

535513572 is a `hidden beast` number, since 5 + 3 + 551 + 35 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (535513579) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 561448 + ... + 562400.

It is an arithmetic number, because the mean of its divisors is an integer number (10855460).

Almost surely, 2^535513572 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 535513572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781593120).

535513572 is an abundant number, since it is smaller than the sum of its proper divisors (1027672668).

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

535513572 is a wasteful number, since it uses less digits than its factorization.

535513572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1012 counting only the distinct ones).

The product of its digits is 78750, while the sum is 36.

The square root of 535513572 is about 23141.1661763188. The cubic root of 535513572 is about 812.0638180164.

The spelling of 535513572 in words is "five hundred thirty-five million, five hundred thirteen thousand, five hundred seventy-two".