630155039 has 2 divisors, whose sum is σ = 630155040. Its totient is φ = 630155038.

The previous prime is 630155023. The next prime is 630155047. The reversal of 630155039 is 930551036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630155039 - 2⁴ = 630155023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630154996 and 630155014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630155069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315077519 + 315077520.

It is an arithmetic number, because the mean of its divisors is an integer number (315077520).

Almost surely, 2^630155039 is an apocalyptic number.

630155039 is a deficient number, since it is larger than the sum of its proper divisors (1).

630155039 is an equidigital number, since it uses as much as digits as its factorization.

630155039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 630155039 is about 25102.8890568397. The cubic root of 630155039 is about 857.3322046994.

The spelling of 630155039 in words is "six hundred thirty million, one hundred fifty-five thousand, thirty-nine".