537712213 has 2 divisors, whose sum is σ = 537712214. Its totient is φ = 537712212.

The previous prime is 537712207. The next prime is 537712249. The reversal of 537712213 is 312217735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530519089 + 7193124 = 23033^2 + 2682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537712213 is a prime.

It is a super-3 number, since 3×537712213³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537712013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268856106 + 268856107.

It is an arithmetic number, because the mean of its divisors is an integer number (268856107).

Almost surely, 2^537712213 is an apocalyptic number.

It is an amenable number.

537712213 is a deficient number, since it is larger than the sum of its proper divisors (1).

537712213 is an equidigital number, since it uses as much as digits as its factorization.

537712213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 31.

The square root of 537712213 is about 23188.6224903507. The cubic root of 537712213 is about 813.1736553675.

Adding to 537712213 its reverse (312217735), we get a palindrome (849929948).

The spelling of 537712213 in words is "five hundred thirty-seven million, seven hundred twelve thousand, two hundred thirteen".