542550261425 has 6 divisors (see below), whose sum is σ = 672762324198. Its totient is φ = 434040209120.

The previous prime is 542550261397. The next prime is 542550261433. The reversal of 542550261425 is 524162055245.

It can be written as a sum of positive squares in 3 ways, for example, as 84209075344 + 458341186081 = 290188^2 + 677009^2 .

It is a de Polignac number, because none of the positive numbers 2^k-542550261425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10851005204 + ... + 10851005253.

It is an arithmetic number, because the mean of its divisors is an integer number (112127054033).

Almost surely, 2^542550261425 is an apocalyptic number.

It is an amenable number.

542550261425 is a deficient number, since it is larger than the sum of its proper divisors (130212062773).

542550261425 is a wasteful number, since it uses less digits than its factorization.

542550261425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702010467 (or 21702010462 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 542550261425 in words is "five hundred forty-two billion, five hundred fifty million, two hundred sixty-one thousand, four hundred twenty-five".