631253 has 8 divisors (see below), whose sum is σ = 744960. Its totient is φ = 523440.

The previous prime is 631249. The next prime is 631259. The reversal of 631253 is 352136.

631253 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 a cyclic number.

It is not a de Polignac number, because 631253 - 2² = 631249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631259) 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, 1238 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (93120).

2⁶³¹²⁵³ is an apocalyptic number.

It is an amenable number.

631253 is a deficient number, since it is larger than the sum of its proper divisors (113707).

631253 is a wasteful number, since it uses less digits than its factorization.

631253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947.

The product of its digits is 540, while the sum is 20.

The square root of 631253 is about 794.5143170516. The cubic root of 631253 is about 85.7829844745.

Adding to 631253 its reverse (352136), we get a palindrome (983389).

The spelling of 631253 in words is "six hundred thirty-one thousand, two hundred fifty-three".