630374237 has 2 divisors, whose sum is σ = 630374238. Its totient is φ = 630374236.

The previous prime is 630374177. The next prime is 630374249. The reversal of 630374237 is 732473036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630311236 + 63001 = 25106^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 630374237 - 2⁸ = 630373981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630374197 and 630374206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630374737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315187118 + 315187119.

It is an arithmetic number, because the mean of its divisors is an integer number (315187119).

Almost surely, 2^630374237 is an apocalyptic number.

It is an amenable number.

630374237 is a deficient number, since it is larger than the sum of its proper divisors (1).

630374237 is an equidigital number, since it uses as much as digits as its factorization.

630374237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 35.

The square root of 630374237 is about 25107.2546687208. The cubic root of 630374237 is about 857.4316001960.

The spelling of 630374237 in words is "six hundred thirty million, three hundred seventy-four thousand, two hundred thirty-seven".