631367 has 4 divisors (see below), whose sum is σ = 688776. Its totient is φ = 573960.

The previous prime is 631361. The next prime is 631387. The reversal of 631367 is 763136.

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 631367 - 2¹² = 627271 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 631367.

It is not an unprimeable number, because it can be changed into a prime (631361) 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, 28688 + ... + 28709.

It is an arithmetic number, because the mean of its divisors is an integer number (172194).

2⁶³¹³⁶⁷ is an apocalyptic number.

631367 is a deficient number, since it is larger than the sum of its proper divisors (57409).

631367 is a wasteful number, since it uses less digits than its factorization.

631367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57408.

The product of its digits is 2268, while the sum is 26.

The square root of 631367 is about 794.5860557548. The cubic root of 631367 is about 85.7881481049.

Subtracting 631367 from its reverse (763136), we obtain a square (131769 = 363²).

The spelling of 631367 in words is "six hundred thirty-one thousand, three hundred sixty-seven".