630433241 has 2 divisors, whose sum is σ = 630433242. Its totient is φ = 630433240.

The previous prime is 630433201. The next prime is 630433313. The reversal of 630433241 is 142334036.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519657616 + 110775625 = 22796^2 + 10525^2 .

It is a cyclic number.

It is not a de Polignac number, because 630433241 - 2¹⁸ = 630171097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630433241.

It is not a weakly prime, because it can be changed into another prime (630433201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315216620 + 315216621.

It is an arithmetic number, because the mean of its divisors is an integer number (315216621).

Almost surely, 2^630433241 is an apocalyptic number.

It is an amenable number.

630433241 is a deficient number, since it is larger than the sum of its proper divisors (1).

630433241 is an equidigital number, since it uses as much as digits as its factorization.

630433241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 630433241 is about 25108.4296800895. The cubic root of 630433241 is about 857.4583516677.

Adding to 630433241 its reverse (142334036), we get a palindrome (772767277).

The spelling of 630433241 in words is "six hundred thirty million, four hundred thirty-three thousand, two hundred forty-one".