538211701 has 2 divisors, whose sum is σ = 538211702. Its totient is φ = 538211700.

The previous prime is 538211647. The next prime is 538211717. The reversal of 538211701 is 107112835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325080900 + 213130801 = 18030^2 + 14599^2 .

It is a cyclic number.

It is not a de Polignac number, because 538211701 - 2⁹ = 538211189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538211701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538211501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269105850 + 269105851.

It is an arithmetic number, because the mean of its divisors is an integer number (269105851).

Almost surely, 2^538211701 is an apocalyptic number.

It is an amenable number.

538211701 is a deficient number, since it is larger than the sum of its proper divisors (1).

538211701 is an equidigital number, since it uses as much as digits as its factorization.

538211701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 538211701 is about 23199.3900997418. The cubic root of 538211701 is about 813.4253667056.

The spelling of 538211701 in words is "five hundred thirty-eight million, two hundred eleven thousand, seven hundred one".