610531 has 4 divisors (see below), whose sum is σ = 625464. Its totient is φ = 595600.

The previous prime is 610523. The next prime is 610541. The reversal of 610531 is 135016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610531 - 2³ = 610523 is a prime.

It is a super-2 number, since 2×610531² = 745496203922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405 + ... + 7486.

It is an arithmetic number, because the mean of its divisors is an integer number (156366).

2⁶¹⁰⁵³¹ is an apocalyptic number.

610531 is a deficient number, since it is larger than the sum of its proper divisors (14933).

610531 is a wasteful number, since it uses less digits than its factorization.

610531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14932.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 610531 is about 781.3648315608. The cubic root of 610531 is about 84.8338623366.

Adding to 610531 its reverse (135016), we get a palindrome (745547).

The spelling of 610531 in words is "six hundred ten thousand, five hundred thirty-one".