531995 has 8 divisors (see below), whose sum is σ = 645216. Its totient is φ = 421056.

The previous prime is 531989. The next prime is 531997. The reversal of 531995 is 599135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531995 - 2¹⁴ = 515611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (80652).

2⁵³¹⁹⁹⁵ is an apocalyptic number.

531995 is a deficient number, since it is larger than the sum of its proper divisors (113221).

531995 is a wasteful number, since it uses less digits than its factorization.

531995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its digits is 6075, while the sum is 32.

The square root of 531995 is about 729.3798735913. The cubic root of 531995 is about 81.0281363413.

It can be divided in two parts, 53 and 1995, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 531995 in words is "five hundred thirty-one thousand, nine hundred ninety-five".