535531000 has 64 divisors (see below), whose sum is σ = 1272005280. Its totient is φ = 210988800.

The previous prime is 535530997. The next prime is 535531033. The reversal of 535531000 is 135535.

It is a happy number.

It is a super-2 number, since 2×535531000² = 573586903922000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63004 + ... + 70996.

Almost surely, 2^535531000 is an apocalyptic number.

535531000 is a gapful number since it is divisible by the number (50) 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 535531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636002640).

535531000 is an abundant number, since it is smaller than the sum of its proper divisors (736474280).

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

535531000 is a wasteful number, since it uses less digits than its factorization.

535531000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081 (or 8067 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 535531000 is about 23141.5427316331. The cubic root of 535531000 is about 812.0726273136.

Adding to 535531000 its reverse (135535), we get a palindrome (535666535).

The spelling of 535531000 in words is "five hundred thirty-five million, five hundred thirty-one thousand".