531340205 has 8 divisors (see below), whose sum is σ = 695572704. Its totient is φ = 386429200.

The previous prime is 531340193. The next prime is 531340247. The reversal of 531340205 is 502043135.

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

It is not a de Polignac number, because 531340205 - 2¹⁶ = 531274669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4830311 + ... + 4830420.

It is an arithmetic number, because the mean of its divisors is an integer number (86946588).

Almost surely, 2^531340205 is an apocalyptic number.

531340205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531340205 is a deficient number, since it is larger than the sum of its proper divisors (164232499).

531340205 is a wasteful number, since it uses less digits than its factorization.

531340205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660747.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 531340205 is about 23050.8178813681. The cubic root of 531340205 is about 809.9487875969.

The spelling of 531340205 in words is "five hundred thirty-one million, three hundred forty thousand, two hundred five".