542450677 has 2 divisors, whose sum is σ = 542450678. Its totient is φ = 542450676.

The previous prime is 542450651. The next prime is 542450681. The reversal of 542450677 is 776054245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 285136996 + 257313681 = 16886^2 + 16041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542450677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542450647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271225338 + 271225339.

It is an arithmetic number, because the mean of its divisors is an integer number (271225339).

Almost surely, 2^542450677 is an apocalyptic number.

It is an amenable number.

542450677 is a deficient number, since it is larger than the sum of its proper divisors (1).

542450677 is an equidigital number, since it uses as much as digits as its factorization.

542450677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 542450677 is about 23290.5705597780. The cubic root of 542450677 is about 815.5553077507. Note that the first 3 decimals are identical.

The spelling of 542450677 in words is "five hundred forty-two million, four hundred fifty thousand, six hundred seventy-seven".