542020487 has 2 divisors, whose sum is σ = 542020488. Its totient is φ = 542020486.

The previous prime is 542020483. The next prime is 542020519. The reversal of 542020487 is 784020245.

It is an a-pointer prime, because the next prime (542020519) can be obtained adding 542020487 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542020487 - 2² = 542020483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542020483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271010243 + 271010244.

It is an arithmetic number, because the mean of its divisors is an integer number (271010244).

Almost surely, 2^542020487 is an apocalyptic number.

542020487 is a deficient number, since it is larger than the sum of its proper divisors (1).

542020487 is an equidigital number, since it uses as much as digits as its factorization.

542020487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 542020487 is about 23281.3334454880. Note that the first 3 decimals coincide. The cubic root of 542020487 is about 815.3396589437.

The spelling of 542020487 in words is "five hundred forty-two million, twenty thousand, four hundred eighty-seven".