540282749 has 2 divisors, whose sum is σ = 540282750. Its totient is φ = 540282748.

The previous prime is 540282739. The next prime is 540282761. The reversal of 540282749 is 947282045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445843225 + 94439524 = 21115^2 + 9718^2 .

It is a cyclic number.

It is not a de Polignac number, because 540282749 - 2⁴ = 540282733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540282739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270141374 + 270141375.

It is an arithmetic number, because the mean of its divisors is an integer number (270141375).

Almost surely, 2^540282749 is an apocalyptic number.

It is an amenable number.

540282749 is a deficient number, since it is larger than the sum of its proper divisors (1).

540282749 is an equidigital number, since it uses as much as digits as its factorization.

540282749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 540282749 is about 23243.9830708939. The cubic root of 540282749 is about 814.4673895987.

The spelling of 540282749 in words is "five hundred forty million, two hundred eighty-two thousand, seven hundred forty-nine".