542624557 has 2 divisors, whose sum is σ = 542624558. Its totient is φ = 542624556.

The previous prime is 542624521. The next prime is 542624587. The reversal of 542624557 is 755426245.

542624557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427083556 + 115541001 = 20666^2 + 10749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542624557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542624587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271312278 + 271312279.

It is an arithmetic number, because the mean of its divisors is an integer number (271312279).

Almost surely, 2^542624557 is an apocalyptic number.

It is an amenable number.

542624557 is a deficient number, since it is larger than the sum of its proper divisors (1).

542624557 is an equidigital number, since it uses as much as digits as its factorization.

542624557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 40.

The square root of 542624557 is about 23294.3031018316. The cubic root of 542624557 is about 815.6424392409.

The spelling of 542624557 in words is "five hundred forty-two million, six hundred twenty-four thousand, five hundred fifty-seven".