542225612425 has 18 divisors (see below), whose sum is σ = 782132783118. Its totient is φ = 371811847680.

The previous prime is 542225612359. The next prime is 542225612429. The reversal of 542225612425 is 524216522245.

It can be written as a sum of positive squares in 3 ways, for example, as 25498979856 + 516726632569 = 159684^2 + 718837^2 .

It is not a de Polignac number, because 542225612425 - 2⁷ = 542225612297 is a prime.

It is a super-2 number, since 2×542225612425² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542225612429) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 221315352 + ... + 221317801.

Almost surely, 2^542225612425 is an apocalyptic number.

It is an amenable number.

542225612425 is a deficient number, since it is larger than the sum of its proper divisors (239907170693).

542225612425 is a wasteful number, since it uses less digits than its factorization.

542225612425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442633177 (or 442633165 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

The spelling of 542225612425 in words is "five hundred forty-two billion, two hundred twenty-five million, six hundred twelve thousand, four hundred twenty-five".