630630157 has 2 divisors, whose sum is σ = 630630158. Its totient is φ = 630630156.

The previous prime is 630630127. The next prime is 630630191. The reversal of 630630157 is 751036036.

630630157 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., 563160361 + 67469796 = 23731^2 + 8214^2 .

It is a cyclic number.

It is not a de Polignac number, because 630630157 - 2¹⁵ = 630597389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630630127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315315078 + 315315079.

It is an arithmetic number, because the mean of its divisors is an integer number (315315079).

Almost surely, 2^630630157 is an apocalyptic number.

It is an amenable number.

630630157 is a deficient number, since it is larger than the sum of its proper divisors (1).

630630157 is an equidigital number, since it uses as much as digits as its factorization.

630630157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 630630157 is about 25112.3506864650. The cubic root of 630630157 is about 857.5476181599.

It can be divided in two parts, 6306 and 30157, that added together give a palindrome (36463).

The spelling of 630630157 in words is "six hundred thirty million, six hundred thirty thousand, one hundred fifty-seven".