540378593 has 2 divisors, whose sum is σ = 540378594. Its totient is φ = 540378592.

The previous prime is 540378551. The next prime is 540378613. The reversal of 540378593 is 395873045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363169249 + 177209344 = 19057^2 + 13312^2 .

It is a cyclic number.

It is not a de Polignac number, because 540378593 - 2¹⁸ = 540116449 is a prime.

It is not a weakly prime, because it can be changed into another prime (540378533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270189296 + 270189297.

It is an arithmetic number, because the mean of its divisors is an integer number (270189297).

Almost surely, 2^540378593 is an apocalyptic number.

It is an amenable number.

540378593 is a deficient number, since it is larger than the sum of its proper divisors (1).

540378593 is an equidigital number, since it uses as much as digits as its factorization.

540378593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 540378593 is about 23246.0446743096. The cubic root of 540378593 is about 814.5155478375.

The spelling of 540378593 in words is "five hundred forty million, three hundred seventy-eight thousand, five hundred ninety-three".