631058 has 4 divisors (see below), whose sum is σ = 946590. Its totient is φ = 315528.

The previous prime is 631039. The next prime is 631061. The reversal of 631058 is 850136.

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

It can be written as a sum of positive squares in only one way, i.e., 628849 + 2209 = 793^2 + 47^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157763 + ... + 157766.

2⁶³¹⁰⁵⁸ is an apocalyptic number.

631058 is a deficient number, since it is larger than the sum of its proper divisors (315532).

631058 is a wasteful number, since it uses less digits than its factorization.

631058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315531.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 631058 is about 794.3915910935. The cubic root of 631058 is about 85.7741505074.

The spelling of 631058 in words is "six hundred thirty-one thousand, fifty-eight".