537121201 has 2 divisors, whose sum is σ = 537121202. Its totient is φ = 537121200.

The previous prime is 537121157. The next prime is 537121229. The reversal of 537121201 is 102121735.

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., 458816400 + 78304801 = 21420^2 + 8849^2 .

It is a cyclic number.

It is not a de Polignac number, because 537121201 - 2¹¹ = 537119153 is a prime.

It is not a weakly prime, because it can be changed into another prime (537121261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268560600 + 268560601.

It is an arithmetic number, because the mean of its divisors is an integer number (268560601).

Almost surely, 2^537121201 is an apocalyptic number.

It is an amenable number.

537121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

537121201 is an equidigital number, since it uses as much as digits as its factorization.

537121201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 537121201 is about 23175.8754095719. The cubic root of 537121201 is about 812.8756201222.

Adding to 537121201 its reverse (102121735), we get a palindrome (639242936).

The spelling of 537121201 in words is "five hundred thirty-seven million, one hundred twenty-one thousand, two hundred one".