630261041 has 2 divisors, whose sum is σ = 630261042. Its totient is φ = 630261040.

The previous prime is 630260977. The next prime is 630261053. The reversal of 630261041 is 140162036.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630261025 + 16 = 25105^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 630261041 - 2⁶ = 630260977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630260998 and 630261016.

It is not a weakly prime, because it can be changed into another prime (630261091) 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, 315130520 + 315130521.

It is an arithmetic number, because the mean of its divisors is an integer number (315130521).

Almost surely, 2^630261041 is an apocalyptic number.

It is an amenable number.

630261041 is a deficient number, since it is larger than the sum of its proper divisors (1).

630261041 is an equidigital number, since it uses as much as digits as its factorization.

630261041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 630261041 is about 25105.0003186616. Note that the first 3 decimals coincide. The cubic root of 630261041 is about 857.3802742630.

The spelling of 630261041 in words is "six hundred thirty million, two hundred sixty-one thousand, forty-one".