612031 has 4 divisors (see below), whose sum is σ = 699472. Its totient is φ = 524592.

The previous prime is 612023. The next prime is 612037. The reversal of 612031 is 130216.

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 612031 - 2³ = 612023 is a prime.

It is a super-2 number, since 2×612031² = 749163889922, 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 (612037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43710 + ... + 43723.

It is an arithmetic number, because the mean of its divisors is an integer number (174868).

2⁶¹²⁰³¹ is an apocalyptic number.

612031 is a deficient number, since it is larger than the sum of its proper divisors (87441).

612031 is an equidigital number, since it uses as much as digits as its factorization.

612031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87440.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 612031 is about 782.3241016356. The cubic root of 612031 is about 84.9032809915.

Adding to 612031 its reverse (130216), we get a palindrome (742247).

The spelling of 612031 in words is "six hundred twelve thousand, thirty-one".