7268325521 has 4 divisors (see below), whose sum is σ = 7355895792. Its totient is φ = 7180755252.

The previous prime is 7268325509. The next prime is 7268325523. The reversal of 7268325521 is 1255238627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7268325521 - 2⁶ = 7268325457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7268325523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43785011 + ... + 43785176.

It is an arithmetic number, because the mean of its divisors is an integer number (1838973948).

Almost surely, 2^7268325521 is an apocalyptic number.

It is an amenable number.

7268325521 is a deficient number, since it is larger than the sum of its proper divisors (87570271).

7268325521 is an equidigital number, since it uses as much as digits as its factorization.

7268325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87570270.

The product of its digits is 201600, while the sum is 41.

The square root of 7268325521 is about 85254.4750790244. The cubic root of 7268325521 is about 1937.0676570444.

The spelling of 7268325521 in words is "seven billion, two hundred sixty-eight million, three hundred twenty-five thousand, five hundred twenty-one".