630433 has 2 divisors, whose sum is σ = 630434. Its totient is φ = 630432.

The previous prime is 630391. The next prime is 630451. The reversal of 630433 is 334036.

It is a happy number.

630433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351649 + 278784 = 593^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 630433 - 2⁹ = 629921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 630433.

It is not a weakly prime, because it can be changed into another prime (630473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315216 + 315217.

It is an arithmetic number, because the mean of its divisors is an integer number (315217).

2⁶³⁰⁴³³ is an apocalyptic number.

It is an amenable number.

630433 is a deficient number, since it is larger than the sum of its proper divisors (1).

630433 is an equidigital number, since it uses as much as digits as its factorization.

630433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 630433 is about 793.9981108290. The cubic root of 630433 is about 85.7458242406.

Adding to 630433 its reverse (334036), we get a palindrome (964469).

The spelling of 630433 in words is "six hundred thirty thousand, four hundred thirty-three".