540590437 has 2 divisors, whose sum is σ = 540590438. Its totient is φ = 540590436.

The previous prime is 540590423. The next prime is 540590441. The reversal of 540590437 is 734095045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 517608001 + 22982436 = 22751^2 + 4794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540590437 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 540590396 and 540590405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540590417) 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, 270295218 + 270295219.

It is an arithmetic number, because the mean of its divisors is an integer number (270295219).

Almost surely, 2^540590437 is an apocalyptic number.

It is an amenable number.

540590437 is a deficient number, since it is larger than the sum of its proper divisors (1).

540590437 is an equidigital number, since it uses as much as digits as its factorization.

540590437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 540590437 is about 23250.6007879366. The cubic root of 540590437 is about 814.6219717970.

The spelling of 540590437 in words is "five hundred forty million, five hundred ninety thousand, four hundred thirty-seven".