540457783 has 2 divisors, whose sum is σ = 540457784. Its totient is φ = 540457782.

The previous prime is 540457663. The next prime is 540457817. The reversal of 540457783 is 387754045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540457783 - 2²¹ = 538360631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540457283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270228891 + 270228892.

It is an arithmetic number, because the mean of its divisors is an integer number (270228892).

Almost surely, 2^540457783 is an apocalyptic number.

540457783 is a deficient number, since it is larger than the sum of its proper divisors (1).

540457783 is an equidigital number, since it uses as much as digits as its factorization.

540457783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 540457783 is about 23247.7479124323. The cubic root of 540457783 is about 814.5553337312. Note that the first 3 decimals are identical.

The spelling of 540457783 in words is "five hundred forty million, four hundred fifty-seven thousand, seven hundred eighty-three".