52913476447225 has 27 divisors (see below), whose sum is σ = 65768810424079. Its totient is φ = 42230310390800.

The previous prime is 52913476447199. The next prime is 52913476447243. The reversal of 52913476447225 is 52274467431925.

The square root of 52913476447225 is 7274165.

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., 19048851521001 + 33864624926224 = 4364499^2 + 5819332^2 .

It is not a de Polignac number, because 52913476447225 - 2²¹ = 52913474350073 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, 17858073594 + ... + 17858076556.

Almost surely, 2^{52913476447225} is an apocalyptic number.

52913476447225 is the 7274165-th square number.

52913476447225 is the 3637083-rd centered octagonal number.

It is an amenable number.

52913476447225 is a deficient number, since it is larger than the sum of its proper divisors (12855333976854).

52913476447225 is an frugal number, since it uses more digits than its factorization.

52913476447225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918 (or 3459 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 61.

The spelling of 52913476447225 in words is "fifty-two trillion, nine hundred thirteen billion, four hundred seventy-six million, four hundred forty-seven thousand, two hundred twenty-five".