538840037 has 2 divisors, whose sum is σ = 538840038. Its totient is φ = 538840036.

The previous prime is 538839989. The next prime is 538840051. The reversal of 538840037 is 730048835.

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., 521939716 + 16900321 = 22846^2 + 4111^2 .

It is a cyclic number.

It is not a de Polignac number, because 538840037 - 2⁸ = 538839781 is a prime.

It is a super-2 number, since 2×538840037² = 580697170948322738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538840637) 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, 269420018 + 269420019.

It is an arithmetic number, because the mean of its divisors is an integer number (269420019).

Almost surely, 2^538840037 is an apocalyptic number.

It is an amenable number.

538840037 is a deficient number, since it is larger than the sum of its proper divisors (1).

538840037 is an equidigital number, since it uses as much as digits as its factorization.

538840037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 538840037 is about 23212.9282297602. The cubic root of 538840037 is about 813.7417884610.

The spelling of 538840037 in words is "five hundred thirty-eight million, eight hundred forty thousand, thirty-seven".