7656533 has 2 divisors, whose sum is σ = 7656534. Its totient is φ = 7656532.

The previous prime is 7656529. The next prime is 7656577. The reversal of 7656533 is 3356567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 27889 = 2762^2 + 167^2 .

It is an emirp because it is prime and its reverse (3356567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7656533 - 2² = 7656529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7656493 and 7656502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7656133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828266 + 3828267.

It is an arithmetic number, because the mean of its divisors is an integer number (3828267).

Almost surely, 2^7656533 is an apocalyptic number.

It is an amenable number.

7656533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7656533 is an equidigital number, since it uses as much as digits as its factorization.

7656533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 35.

The square root of 7656533 is about 2767.0440907221. The cubic root of 7656533 is about 197.0958074527.

The spelling of 7656533 in words is "seven million, six hundred fifty-six thousand, five hundred thirty-three".