42874536058225 has 27 divisors (see below), whose sum is σ = 53670317269387. Its totient is φ = 33976295272880.

The previous prime is 42874536058157. The next prime is 42874536058241. The reversal of 42874536058225 is 52285063547824.

The square root of 42874536058225 is 6547865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 15434832980961 + 27439703077264 = 3928719^2 + 5238292^2 .

It is not a de Polignac number, because 42874536058225 - 2⁹ = 42874536057713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3503101656 + ... + 3503113894.

Almost surely, 2^{42874536058225} is an apocalyptic number.

42874536058225 is the 6547865-th square number.

42874536058225 is the 3273933-rd centered octagonal number.

It is an amenable number.

42874536058225 is a deficient number, since it is larger than the sum of its proper divisors (10795781211162).

42874536058225 is an frugal number, since it uses more digits than its factorization.

42874536058225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24702 (or 12351 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 61.

The spelling of 42874536058225 in words is "forty-two trillion, eight hundred seventy-four billion, five hundred thirty-six million, fifty-eight thousand, two hundred twenty-five".