542991377 has 2 divisors, whose sum is σ = 542991378. Its totient is φ = 542991376.

The previous prime is 542991359. The next prime is 542991431. The reversal of 542991377 is 773199245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382437136 + 160554241 = 19556^2 + 12671^2 .

It is a cyclic number.

It is not a de Polignac number, because 542991377 - 2¹² = 542987281 is a prime.

It is a super-2 number, since 2×542991377² = 589679270992712258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542991347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271495688 + 271495689.

It is an arithmetic number, because the mean of its divisors is an integer number (271495689).

Almost surely, 2^542991377 is an apocalyptic number.

It is an amenable number.

542991377 is a deficient number, since it is larger than the sum of its proper divisors (1).

542991377 is an equidigital number, since it uses as much as digits as its factorization.

542991377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 542991377 is about 23302.1753705529. The cubic root of 542991377 is about 815.8261921763.

The spelling of 542991377 in words is "five hundred forty-two million, nine hundred ninety-one thousand, three hundred seventy-seven".