7331256445 has 8 divisors (see below), whose sum is σ = 8805900600. Its totient is φ = 5859409920.

The previous prime is 7331256437. The next prime is 7331256469. The reversal of 7331256445 is 5446521337.

It is a happy number.

7331256445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1893816324 + 5437440121 = 43518^2 + 73739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7331256445 - 2³ = 7331256437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7331256398 and 7331256407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693636 + ... + 704125.

It is an arithmetic number, because the mean of its divisors is an integer number (1100737575).

Almost surely, 2^7331256445 is an apocalyptic number.

It is an amenable number.

7331256445 is a deficient number, since it is larger than the sum of its proper divisors (1474644155).

7331256445 is a wasteful number, since it uses less digits than its factorization.

7331256445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398815.

The product of its digits is 302400, while the sum is 40.

The square root of 7331256445 is about 85622.7565837494. The cubic root of 7331256445 is about 1942.6421332327.

The spelling of 7331256445 in words is "seven billion, three hundred thirty-one million, two hundred fifty-six thousand, four hundred forty-five".