630572447 has 2 divisors, whose sum is σ = 630572448. Its totient is φ = 630572446.

The previous prime is 630572413. The next prime is 630572479. The reversal of 630572447 is 744275036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630572447 - 2¹⁶ = 630506911 is a prime.

It is a super-2 number, since 2×630572447² = 795243221831135618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630572447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630578447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315286223 + 315286224.

It is an arithmetic number, because the mean of its divisors is an integer number (315286224).

Almost surely, 2^630572447 is an apocalyptic number.

630572447 is a deficient number, since it is larger than the sum of its proper divisors (1).

630572447 is an equidigital number, since it uses as much as digits as its factorization.

630572447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 630572447 is about 25111.2016239765. The cubic root of 630572447 is about 857.5214588322.

The spelling of 630572447 in words is "six hundred thirty million, five hundred seventy-two thousand, four hundred forty-seven".