538630801 has 2 divisors, whose sum is σ = 538630802. Its totient is φ = 538630800.

The previous prime is 538630777. The next prime is 538630811. The reversal of 538630801 is 108036835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325441600 + 213189201 = 18040^2 + 14601^2 .

It is a cyclic number.

It is not a de Polignac number, because 538630801 - 2⁹ = 538630289 is a prime.

It is not a weakly prime, because it can be changed into another prime (538630811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269315400 + 269315401.

It is an arithmetic number, because the mean of its divisors is an integer number (269315401).

Almost surely, 2^538630801 is an apocalyptic number.

It is an amenable number.

538630801 is a deficient number, since it is larger than the sum of its proper divisors (1).

538630801 is an equidigital number, since it uses as much as digits as its factorization.

538630801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 538630801 is about 23208.4209070759. The cubic root of 538630801 is about 813.6364472909.

The spelling of 538630801 in words is "five hundred thirty-eight million, six hundred thirty thousand, eight hundred one".