542251065025 has 12 divisors (see below), whose sum is σ = 674035321900. Its totient is φ = 432740206080.

The previous prime is 542251065001. The next prime is 542251065043. The reversal of 542251065025 is 520560152245.

It can be written as a sum of positive squares in 6 ways, for example, as 110990921409 + 431260143616 = 333153^2 + 656704^2 .

It is not a de Polignac number, because 542251065025 - 2²¹ = 542248967873 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26505720 + ... + 26526169.

Almost surely, 2^542251065025 is an apocalyptic number.

It is an amenable number.

542251065025 is a deficient number, since it is larger than the sum of its proper divisors (131784256875).

542251065025 is a wasteful number, since it uses less digits than its factorization.

542251065025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53032308 (or 53032303 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 542251065025 in words is "five hundred forty-two billion, two hundred fifty-one million, sixty-five thousand, twenty-five".