630557153 has 2 divisors, whose sum is σ = 630557154. Its totient is φ = 630557152.

The previous prime is 630557129. The next prime is 630557173. The reversal of 630557153 is 351755036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363169249 + 267387904 = 19057^2 + 16352^2 .

It is a cyclic number.

It is not a de Polignac number, because 630557153 - 2¹⁴ = 630540769 is a prime.

It is not a weakly prime, because it can be changed into another prime (630557113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315278576 + 315278577.

It is an arithmetic number, because the mean of its divisors is an integer number (315278577).

Almost surely, 2^630557153 is an apocalyptic number.

It is an amenable number.

630557153 is a deficient number, since it is larger than the sum of its proper divisors (1).

630557153 is an equidigital number, since it uses as much as digits as its factorization.

630557153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 630557153 is about 25110.8970966790. The cubic root of 630557153 is about 857.5145259576.

The spelling of 630557153 in words is "six hundred thirty million, five hundred fifty-seven thousand, one hundred fifty-three".