631253325 has 24 divisors (see below), whose sum is σ = 1044576000. Its totient is φ = 336376960.

The previous prime is 631253257. The next prime is 631253327. The reversal of 631253325 is 523352136.

It is not a de Polignac number, because 631253325 - 2⁸ = 631253069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 631253292 and 631253301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631253327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105001 + ... + 110849.

It is an arithmetic number, because the mean of its divisors is an integer number (43524000).

Almost surely, 2^631253325 is an apocalyptic number.

It is an amenable number.

631253325 is a deficient number, since it is larger than the sum of its proper divisors (413322675).

631253325 is a wasteful number, since it uses less digits than its factorization.

631253325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301 (or 7296 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 631253325 is about 25124.7552226882. The cubic root of 631253325 is about 857.8299919625.

The spelling of 631253325 in words is "six hundred thirty-one million, two hundred fifty-three thousand, three hundred twenty-five".