731253 has 8 divisors (see below), whose sum is σ = 1026400. Its totient is φ = 461808.

The previous prime is 731251. The next prime is 731257. The reversal of 731253 is 352137.

It is a happy number.

731253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 731253 - 2¹ = 731251 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 731253.

It is not an unprimeable number, because it can be changed into a prime (731251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6358 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (128300).

2⁷³¹²⁵³ is an apocalyptic number.

It is an amenable number.

731253 is a deficient number, since it is larger than the sum of its proper divisors (295147).

731253 is a wasteful number, since it uses less digits than its factorization.

731253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12851.

The product of its digits is 630, while the sum is 21.

The square root of 731253 is about 855.1333229386. The cubic root of 731253 is about 90.0926206990.

It can be divided in two parts, 73 and 1253, that added together give a triangular number (1326 = T₅₁).

The spelling of 731253 in words is "seven hundred thirty-one thousand, two hundred fifty-three".