631353053 has 4 divisors (see below), whose sum is σ = 631427328. Its totient is φ = 631278780.

The previous prime is 631353043. The next prime is 631353061. The reversal of 631353053 is 350353136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 631353053 - 2¹² = 631348957 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 (631353043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22451 + ... + 42032.

It is an arithmetic number, because the mean of its divisors is an integer number (157856832).

Almost surely, 2^631353053 is an apocalyptic number.

It is an amenable number.

631353053 is a deficient number, since it is larger than the sum of its proper divisors (74275).

631353053 is an equidigital number, since it uses as much as digits as its factorization.

631353053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74274.

The product of its (nonzero) digits is 12150, while the sum is 29.

The square root of 631353053 is about 25126.7398004596. The cubic root of 631353053 is about 857.8751640888.

The spelling of 631353053 in words is "six hundred thirty-one million, three hundred fifty-three thousand, fifty-three".