630435401 has 2 divisors, whose sum is σ = 630435402. Its totient is φ = 630435400.

The previous prime is 630435391. The next prime is 630435431. The reversal of 630435401 is 104534036.

630435401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412902400 + 217533001 = 20320^2 + 14749^2 .

It is a cyclic number.

It is not a de Polignac number, because 630435401 - 2¹⁴ = 630419017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (630435431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315217700 + 315217701.

It is an arithmetic number, because the mean of its divisors is an integer number (315217701).

Almost surely, 2^630435401 is an apocalyptic number.

It is an amenable number.

630435401 is a deficient number, since it is larger than the sum of its proper divisors (1).

630435401 is an equidigital number, since it uses as much as digits as its factorization.

630435401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 630435401 is about 25108.4726934953. The cubic root of 630435401 is about 857.4593309455.

Adding to 630435401 its reverse (104534036), we get a palindrome (734969437).

The spelling of 630435401 in words is "six hundred thirty million, four hundred thirty-five thousand, four hundred one".