535381 has 16 divisors (see below), whose sum is σ = 708480. Its totient is φ = 391680.

The previous prime is 535361. The next prime is 535387. The reversal of 535381 is 183535.

It is a happy number.

It is not a de Polignac number, because 535381 - 2⁵ = 535349 is a prime.

It is a super-2 number, since 2×535381² = 573265630322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (44280).

2⁵³⁵³⁸¹ is an apocalyptic number.

It is an amenable number.

535381 is a deficient number, since it is larger than the sum of its proper divisors (173099).

535381 is a wasteful number, since it uses less digits than its factorization.

535381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 1800, while the sum is 25.

The square root of 535381 is about 731.6973418019. The cubic root of 535381 is about 81.1996800848.

The spelling of 535381 in words is "five hundred thirty-five thousand, three hundred eighty-one".