631093 has 4 divisors (see below), whose sum is σ = 635040. Its totient is φ = 627148.

The previous prime is 631061. The next prime is 631121. The reversal of 631093 is 390136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 631093 - 2⁵ = 631061 is a prime.

It is a Duffinian number.

631093 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631003) 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, 1723 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2⁶³¹⁰⁹³ is an apocalyptic number.

It is an amenable number.

631093 is a deficient number, since it is larger than the sum of its proper divisors (3947).

631093 is a wasteful number, since it uses less digits than its factorization.

631093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 631093 is about 794.4136202256. The cubic root of 631093 is about 85.7757362252.

It can be divided in two parts, 63 and 1093, that added together give a square (1156 = 34²).

The spelling of 631093 in words is "six hundred thirty-one thousand, ninety-three".