632147641 has 2 divisors, whose sum is σ = 632147642. Its totient is φ = 632147640.

The previous prime is 632147611. The next prime is 632147693. The reversal of 632147641 is 146741236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551075625 + 81072016 = 23475^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 632147641 - 2⁵ = 632147609 is a prime.

It is a super-2 number, since 2×632147641² = 799221280043729762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 632147597 and 632147606.

It is not a weakly prime, because it can be changed into another prime (632147611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316073820 + 316073821.

It is an arithmetic number, because the mean of its divisors is an integer number (316073821).

Almost surely, 2^632147641 is an apocalyptic number.

It is an amenable number.

632147641 is a deficient number, since it is larger than the sum of its proper divisors (1).

632147641 is an equidigital number, since it uses as much as digits as its factorization.

632147641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 632147641 is about 25142.5464303042. The cubic root of 632147641 is about 858.2349055157.

Adding to 632147641 its reverse (146741236), we get a palindrome (778888877).

The spelling of 632147641 in words is "six hundred thirty-two million, one hundred forty-seven thousand, six hundred forty-one".