7213681325 has 12 divisors (see below), whose sum is σ = 8946019680. Its totient is φ = 5770264560.

The previous prime is 7213681301. The next prime is 7213681351. The reversal of 7213681325 is 5231863127.

It is a de Polignac number, because none of the positive numbers 2^k-7213681325 is a prime.

It is a congruent number.

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, 392696 + ... + 410654.

It is an arithmetic number, because the mean of its divisors is an integer number (745501640).

Almost surely, 2^7213681325 is an apocalyptic number.

It is an amenable number.

7213681325 is a deficient number, since it is larger than the sum of its proper divisors (1732338355).

7213681325 is a wasteful number, since it uses less digits than its factorization.

7213681325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34036 (or 34031 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 7213681325 is about 84933.3934621713. The cubic root of 7213681325 is about 1932.2010670127.

The spelling of 7213681325 in words is "seven billion, two hundred thirteen million, six hundred eighty-one thousand, three hundred twenty-five".