542757617 has 2 divisors, whose sum is σ = 542757618. Its totient is φ = 542757616.

The previous prime is 542757601. The next prime is 542757637. The reversal of 542757617 is 716757245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434680801 + 108076816 = 20849^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 542757617 - 2⁴ = 542757601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542757637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271378808 + 271378809.

It is an arithmetic number, because the mean of its divisors is an integer number (271378809).

Almost surely, 2^542757617 is an apocalyptic number.

It is an amenable number.

542757617 is a deficient number, since it is larger than the sum of its proper divisors (1).

542757617 is an equidigital number, since it uses as much as digits as its factorization.

542757617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 44.

The square root of 542757617 is about 23297.1589898854. The cubic root of 542757617 is about 815.7091032058.

The spelling of 542757617 in words is "five hundred forty-two million, seven hundred fifty-seven thousand, six hundred seventeen".