542085473 has 2 divisors, whose sum is σ = 542085474. Its totient is φ = 542085472.

The previous prime is 542085463. The next prime is 542085503. The reversal of 542085473 is 374580245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365115664 + 176969809 = 19108^2 + 13303^2 .

It is a cyclic number.

It is not a de Polignac number, because 542085473 - 2¹⁶ = 542019937 is a prime.

It is a super-3 number, since 3×542085473³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (542085463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271042736 + 271042737.

It is an arithmetic number, because the mean of its divisors is an integer number (271042737).

Almost surely, 2^542085473 is an apocalyptic number.

It is an amenable number.

542085473 is a deficient number, since it is larger than the sum of its proper divisors (1).

542085473 is an equidigital number, since it uses as much as digits as its factorization.

542085473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 542085473 is about 23282.7290711377. The cubic root of 542085473 is about 815.3722429184.

The spelling of 542085473 in words is "five hundred forty-two million, eighty-five thousand, four hundred seventy-three".