523534536 has 128 divisors (see below), whose sum is σ = 1672070400. Its totient is φ = 148677120.

The previous prime is 523534481. The next prime is 523534547. The reversal of 523534536 is 635435325.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 523534536.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272716 + ... + 274628.

It is an arithmetic number, because the mean of its divisors is an integer number (13063050).

Almost surely, 2^523534536 is an apocalyptic number.

523534536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523534536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836035200).

523534536 is an abundant number, since it is smaller than the sum of its proper divisors (1148535864).

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

523534536 is a wasteful number, since it uses less digits than its factorization.

523534536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2106 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The square root of 523534536 is about 22880.8770810911. The cubic root of 523534536 is about 805.9630134887.

The spelling of 523534536 in words is "five hundred twenty-three million, five hundred thirty-four thousand, five hundred thirty-six".