542213426225 has 36 divisors (see below), whose sum is σ = 733524411924. Its totient is φ = 397220705280.

The previous prime is 542213426203. The next prime is 542213426257. The reversal of 542213426225 is 522624312245.

It can be written as a sum of positive squares in 18 ways, for example, as 1484098576 + 540729327649 = 38524^2 + 735343^2 .

It is a de Polignac number, because none of the positive numbers 2^k-542213426225 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 746822 + ... + 1281471.

It is an arithmetic number, because the mean of its divisors is an integer number (20375678109).

Almost surely, 2^542213426225 is an apocalyptic number.

It is an amenable number.

542213426225 is a deficient number, since it is larger than the sum of its proper divisors (191310985699).

542213426225 is a wasteful number, since it uses less digits than its factorization.

542213426225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028374 (or 2028352 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The spelling of 542213426225 in words is "five hundred forty-two billion, two hundred thirteen million, four hundred twenty-six thousand, two hundred twenty-five".