7842533 has 2 divisors, whose sum is σ = 7842534. Its totient is φ = 7842532.

The previous prime is 7842529. The next prime is 7842553. The reversal of 7842533 is 3352487.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6160324 + 1682209 = 2482^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 7842533 - 2² = 7842529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7842533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7842503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3921266 + 3921267.

It is an arithmetic number, because the mean of its divisors is an integer number (3921267).

Almost surely, 2^7842533 is an apocalyptic number.

It is an amenable number.

7842533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842533 is an equidigital number, since it uses as much as digits as its factorization.

7842533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 7842533 is about 2800.4522848997. The cubic root of 7842533 is about 198.6790699256.

The spelling of 7842533 in words is "seven million, eight hundred forty-two thousand, five hundred thirty-three".