632125221 has 16 divisors (see below), whose sum is σ = 1037334144. Its totient is φ = 333428544.

The previous prime is 632125213. The next prime is 632125237. The reversal of 632125221 is 122521236.

It is not a de Polignac number, because 632125221 - 2³ = 632125213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 632125191 and 632125200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632125201) 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 15 ways as a sum of consecutive naturals, for example, 1157466 + ... + 1158011.

It is an arithmetic number, because the mean of its divisors is an integer number (64833384).

Almost surely, 2^632125221 is an apocalyptic number.

It is an amenable number.

632125221 is a deficient number, since it is larger than the sum of its proper divisors (405208923).

632125221 is a wasteful number, since it uses less digits than its factorization.

632125221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315500.

The product of its digits is 1440, while the sum is 24.

The square root of 632125221 is about 25142.1005685683. The cubic root of 632125221 is about 858.2247592288.

Adding to 632125221 its reverse (122521236), we get a palindrome (754646457).

The spelling of 632125221 in words is "six hundred thirty-two million, one hundred twenty-five thousand, two hundred twenty-one".