630250793 has 2 divisors, whose sum is σ = 630250794. Its totient is φ = 630250792.

The previous prime is 630250781. The next prime is 630250799. The reversal of 630250793 is 397052036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337567129 + 292683664 = 18373^2 + 17108^2 .

It is a cyclic number.

It is not a de Polignac number, because 630250793 - 2¹² = 630246697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (630250799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315125396 + 315125397.

It is an arithmetic number, because the mean of its divisors is an integer number (315125397).

Almost surely, 2^630250793 is an apocalyptic number.

It is an amenable number.

630250793 is a deficient number, since it is larger than the sum of its proper divisors (1).

630250793 is an equidigital number, since it uses as much as digits as its factorization.

630250793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 630250793 is about 25104.7962150662. The cubic root of 630250793 is about 857.3756272569.

The spelling of 630250793 in words is "six hundred thirty million, two hundred fifty thousand, seven hundred ninety-three".