537908549 has 2 divisors, whose sum is σ = 537908550. Its totient is φ = 537908548.

The previous prime is 537908537. The next prime is 537908557. The reversal of 537908549 is 945809735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275792449 + 262116100 = 16607^2 + 16190^2 .

It is a cyclic number.

It is not a de Polignac number, because 537908549 - 2²⁸ = 269473093 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 537908497 and 537908506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537908599) 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, 268954274 + 268954275.

It is an arithmetic number, because the mean of its divisors is an integer number (268954275).

Almost surely, 2^537908549 is an apocalyptic number.

It is an amenable number.

537908549 is a deficient number, since it is larger than the sum of its proper divisors (1).

537908549 is an equidigital number, since it uses as much as digits as its factorization.

537908549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 537908549 is about 23192.8555594174. The cubic root of 537908549 is about 813.2726152641.

The spelling of 537908549 in words is "five hundred thirty-seven million, nine hundred eight thousand, five hundred forty-nine".