540799901 has 2 divisors, whose sum is σ = 540799902. Its totient is φ = 540799900.

The previous prime is 540799849. The next prime is 540799913. The reversal of 540799901 is 109997045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533563801 + 7236100 = 23099^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 540799901 - 2⁶ = 540799837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540799981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270399950 + 270399951.

It is an arithmetic number, because the mean of its divisors is an integer number (270399951).

Almost surely, 2^540799901 is an apocalyptic number.

It is an amenable number.

540799901 is a deficient number, since it is larger than the sum of its proper divisors (1).

540799901 is an equidigital number, since it uses as much as digits as its factorization.

540799901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 540799901 is about 23255.1048374330. The cubic root of 540799901 is about 814.7271727841.

The spelling of 540799901 in words is "five hundred forty million, seven hundred ninety-nine thousand, nine hundred one".