7255660533 has 16 divisors (see below), whose sum is σ = 10555116096. Its totient is φ = 4396775040.

The previous prime is 7255660519. The next prime is 7255660541. The reversal of 7255660533 is 3350665527.

It is not a de Polignac number, because 7255660533 - 2⁵ = 7255660501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7255660933) 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 in 15 ways as a sum of consecutive naturals, for example, 443841 + ... + 459897.

It is an arithmetic number, because the mean of its divisors is an integer number (659694756).

Almost surely, 2^7255660533 is an apocalyptic number.

It is an amenable number.

7255660533 is a deficient number, since it is larger than the sum of its proper divisors (3299455563).

7255660533 is a wasteful number, since it uses less digits than its factorization.

7255660533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29764.

The product of its (nonzero) digits is 567000, while the sum is 42.

The square root of 7255660533 is about 85180.1651383701. The cubic root of 7255660533 is about 1935.9418955999.

The spelling of 7255660533 in words is "seven billion, two hundred fifty-five million, six hundred sixty thousand, five hundred thirty-three".