5373749878225 has 9 divisors (see below), whose sum is σ = 6663464221467. Its totient is φ = 4298990630040.

The previous prime is 5373749878201. The next prime is 5373749878279. The reversal of 5373749878225 is 5228789473735.

The square root of 5373749878225 is 2318135.

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., 1934549956161 + 3439199922064 = 1390881^2 + 1854508^2 .

It is not a de Polignac number, because 5373749878225 - 2⁵ = 5373749878193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11358862 + ... + 11822488.

Almost surely, 2^{5373749878225} is an apocalyptic number.

5373749878225 is the 2318135-th square number.

5373749878225 is the 1159068-th centered octagonal number.

It is an amenable number.

5373749878225 is a deficient number, since it is larger than the sum of its proper divisors (1289714343242).

5373749878225 is an frugal number, since it uses more digits than its factorization.

5373749878225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927264 (or 463632 counting only the distinct ones).

The product of its digits is 711244800, while the sum is 70.

The spelling of 5373749878225 in words is "five trillion, three hundred seventy-three billion, seven hundred forty-nine million, eight hundred seventy-eight thousand, two hundred twenty-five".