631253193 has 32 divisors (see below), whose sum is σ = 911941632. Its totient is φ = 387393600.

The previous prime is 631253191. The next prime is 631253209. The reversal of 631253193 is 391352136.

It is not a de Polignac number, because 631253193 - 2¹ = 631253191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631253191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196228 + ... + 199418.

It is an arithmetic number, because the mean of its divisors is an integer number (28498176).

Almost surely, 2^631253193 is an apocalyptic number.

It is an amenable number.

631253193 is a deficient number, since it is larger than the sum of its proper divisors (280688439).

631253193 is a wasteful number, since it uses less digits than its factorization.

631253193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325.

The product of its digits is 14580, while the sum is 33.

The square root of 631253193 is about 25124.7525957968. The cubic root of 631253193 is about 857.8299321695.

The spelling of 631253193 in words is "six hundred thirty-one million, two hundred fifty-three thousand, one hundred ninety-three".