540457199 has 2 divisors, whose sum is σ = 540457200. Its totient is φ = 540457198.

The previous prime is 540457189. The next prime is 540457213. The reversal of 540457199 is 991754045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540457199 - 2²⁴ = 523679983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540457129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270228599 + 270228600.

It is an arithmetic number, because the mean of its divisors is an integer number (270228600).

Almost surely, 2^540457199 is an apocalyptic number.

540457199 is a deficient number, since it is larger than the sum of its proper divisors (1).

540457199 is an equidigital number, since it uses as much as digits as its factorization.

540457199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 540457199 is about 23247.7353520725. The cubic root of 540457199 is about 814.5550403376. Note that the first 3 decimals are identical.

The spelling of 540457199 in words is "five hundred forty million, four hundred fifty-seven thousand, one hundred ninety-nine".