542630461 has 2 divisors, whose sum is σ = 542630462. Its totient is φ = 542630460.

The previous prime is 542630453. The next prime is 542630503. The reversal of 542630461 is 164036245.

542630461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498673561 + 43956900 = 22331^2 + 6630^2 .

It is a cyclic number.

It is not a de Polignac number, because 542630461 - 2³ = 542630453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542630401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271315230 + 271315231.

It is an arithmetic number, because the mean of its divisors is an integer number (271315231).

Almost surely, 2^542630461 is an apocalyptic number.

It is an amenable number.

542630461 is a deficient number, since it is larger than the sum of its proper divisors (1).

542630461 is an equidigital number, since it uses as much as digits as its factorization.

542630461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 542630461 is about 23294.4298277507. The cubic root of 542630461 is about 815.6453974161.

The spelling of 542630461 in words is "five hundred forty-two million, six hundred thirty thousand, four hundred sixty-one".