631296049 has 2 divisors, whose sum is σ = 631296050. Its totient is φ = 631296048.

The previous prime is 631296013. The next prime is 631296067. The reversal of 631296049 is 940692136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602211600 + 29084449 = 24540^2 + 5393^2 .

It is a cyclic number.

It is not a de Polignac number, because 631296049 - 2¹³ = 631287857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (631296349) 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, 315648024 + 315648025.

It is an arithmetic number, because the mean of its divisors is an integer number (315648025).

Almost surely, 2^631296049 is an apocalyptic number.

It is an amenable number.

631296049 is a deficient number, since it is larger than the sum of its proper divisors (1).

631296049 is an equidigital number, since it uses as much as digits as its factorization.

631296049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 631296049 is about 25125.6054454415. The cubic root of 631296049 is about 857.8493445216.

The spelling of 631296049 in words is "six hundred thirty-one million, two hundred ninety-six thousand, forty-nine".