542555137 has 2 divisors, whose sum is σ = 542555138. Its totient is φ = 542555136.

The previous prime is 542555131. The next prime is 542555183. The reversal of 542555137 is 731555245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347785201 + 194769936 = 18649^2 + 13956^2 .

It is a cyclic number.

It is not a de Polignac number, because 542555137 - 2³ = 542555129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542555096 and 542555105.

It is not a weakly prime, because it can be changed into another prime (542555131) 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, 271277568 + 271277569.

It is an arithmetic number, because the mean of its divisors is an integer number (271277569).

Almost surely, 2^542555137 is an apocalyptic number.

It is an amenable number.

542555137 is a deficient number, since it is larger than the sum of its proper divisors (1).

542555137 is an equidigital number, since it uses as much as digits as its factorization.

542555137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 37.

The square root of 542555137 is about 23292.8129902766. The cubic root of 542555137 is about 815.6076550228.

The spelling of 542555137 in words is "five hundred forty-two million, five hundred fifty-five thousand, one hundred thirty-seven".