731263 has 6 divisors (see below), whose sum is σ = 792024. Its totient is φ = 674856.

The previous prime is 731261. The next prime is 731267. The reversal of 731263 is 362137.

It is not a de Polignac number, because 731263 - 2¹ = 731261 is a prime.

It is a Duffinian number.

731263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1995 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (132004).

2⁷³¹²⁶³ is an apocalyptic number.

731263 is a deficient number, since it is larger than the sum of its proper divisors (60761).

731263 is a wasteful number, since it uses less digits than its factorization.

731263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353 (or 4340 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 731263 is about 855.1391699601. The cubic root of 731263 is about 90.0930313740.

The spelling of 731263 in words is "seven hundred thirty-one thousand, two hundred sixty-three".