630374441 has 2 divisors, whose sum is σ = 630374442. Its totient is φ = 630374440.

The previous prime is 630374413. The next prime is 630374447. The reversal of 630374441 is 144473036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524593216 + 105781225 = 22904^2 + 10285^2 .

It is a cyclic number.

It is not a de Polignac number, because 630374441 - 2¹⁸ = 630112297 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630374398 and 630374407.

It is not a weakly prime, because it can be changed into another prime (630374447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315187220 + 315187221.

It is an arithmetic number, because the mean of its divisors is an integer number (315187221).

Almost surely, 2^630374441 is an apocalyptic number.

It is an amenable number.

630374441 is a deficient number, since it is larger than the sum of its proper divisors (1).

630374441 is an equidigital number, since it uses as much as digits as its factorization.

630374441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 630374441 is about 25107.2587312912. The cubic root of 630374441 is about 857.4316926892.

The spelling of 630374441 in words is "six hundred thirty million, three hundred seventy-four thousand, four hundred forty-one".