540423029 has 2 divisors, whose sum is σ = 540423030. Its totient is φ = 540423028.

The previous prime is 540422989. The next prime is 540423049. The reversal of 540423029 is 920324045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306180004 + 234243025 = 17498^2 + 15305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540423029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 540422992 and 540423010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540423049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270211514 + 270211515.

It is an arithmetic number, because the mean of its divisors is an integer number (270211515).

Almost surely, 2^540423029 is an apocalyptic number.

It is an amenable number.

540423029 is a deficient number, since it is larger than the sum of its proper divisors (1).

540423029 is an equidigital number, since it uses as much as digits as its factorization.

540423029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 540423029 is about 23247.0004301630. Note that the first 3 decimals coincide. The cubic root of 540423029 is about 814.5378734325.

The spelling of 540423029 in words is "five hundred forty million, four hundred twenty-three thousand, twenty-nine".