542456753 has 2 divisors, whose sum is σ = 542456754. Its totient is φ = 542456752.

The previous prime is 542456743. The next prime is 542456777. The reversal of 542456753 is 357654245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503867809 + 38588944 = 22447^2 + 6212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542456753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 542456753.

It is not a weakly prime, because it can be changed into another prime (542456743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271228376 + 271228377.

It is an arithmetic number, because the mean of its divisors is an integer number (271228377).

Almost surely, 2^542456753 is an apocalyptic number.

It is an amenable number.

542456753 is a deficient number, since it is larger than the sum of its proper divisors (1).

542456753 is an equidigital number, since it uses as much as digits as its factorization.

542456753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 41.

The square root of 542456753 is about 23290.7009984672. The cubic root of 542456753 is about 815.5583527560.

The spelling of 542456753 in words is "five hundred forty-two million, four hundred fifty-six thousand, seven hundred fifty-three".