7345528081 has 2 divisors, whose sum is σ = 7345528082. Its totient is φ = 7345528080.

The previous prime is 7345528067. The next prime is 7345528087. The reversal of 7345528081 is 1808255437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5777368081 + 1568160000 = 76009^2 + 39600^2 .

It is a cyclic number.

It is not a de Polignac number, because 7345528081 - 2⁷ = 7345527953 is a prime.

It is a super-2 number, since 2×7345528081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7345528087) by changing a digit.

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 as a sum of consecutive naturals, namely, 3672764040 + 3672764041.

It is an arithmetic number, because the mean of its divisors is an integer number (3672764041).

Almost surely, 2^7345528081 is an apocalyptic number.

It is an amenable number.

7345528081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345528081 is an equidigital number, since it uses as much as digits as its factorization.

7345528081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 7345528081 is about 85706.0562679208. The cubic root of 7345528081 is about 1943.9018859390.

The spelling of 7345528081 in words is "seven billion, three hundred forty-five million, five hundred twenty-eight thousand, eighty-one".