7321051225 has 48 divisors (see below), whose sum is σ = 9739626624. Its totient is φ = 5445440000.

The previous prime is 7321051211. The next prime is 7321051249. The reversal of 7321051225 is 5221501237.

It is not a de Polignac number, because 7321051225 - 2⁵ = 7321051193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7321051193 and 7321051202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10443375 + ... + 10444075.

It is an arithmetic number, because the mean of its divisors is an integer number (202908888).

Almost surely, 2^7321051225 is an apocalyptic number.

It is an amenable number.

7321051225 is a deficient number, since it is larger than the sum of its proper divisors (2418575399).

7321051225 is a wasteful number, since it uses less digits than its factorization.

7321051225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 7321051225 is about 85563.1417433932. The cubic root of 7321051225 is about 1941.7403189001.

The spelling of 7321051225 in words is "seven billion, three hundred twenty-one million, fifty-one thousand, two hundred twenty-five".