7528280533 has 2 divisors, whose sum is σ = 7528280534. Its totient is φ = 7528280532.

The previous prime is 7528280521. The next prime is 7528280569. The reversal of 7528280533 is 3350828257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6233576209 + 1294704324 = 78953^2 + 35982^2 .

It is a cyclic number.

It is not a de Polignac number, because 7528280533 - 2²⁵ = 7494726101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7528280533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7528280633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764140266 + 3764140267.

It is an arithmetic number, because the mean of its divisors is an integer number (3764140267).

Almost surely, 2^7528280533 is an apocalyptic number.

It is an amenable number.

7528280533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7528280533 is an equidigital number, since it uses as much as digits as its factorization.

7528280533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 7528280533 is about 86765.6644819827. The cubic root of 7528280533 is about 1959.8910578244.

The spelling of 7528280533 in words is "seven billion, five hundred twenty-eight million, two hundred eighty thousand, five hundred thirty-three".