6998533 has 2 divisors, whose sum is σ = 6998534. Its totient is φ = 6998532.

The previous prime is 6998501. The next prime is 6998561. The reversal of 6998533 is 3358996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6640929 + 357604 = 2577^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 6998533 - 2⁵ = 6998501 is a prime.

It is a d-powerful number, because it can be written as 6⁸ + 9⁶ + 9⁷ + 8 + 5³ + 3⁷ + 3⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 6998533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6998833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499266 + 3499267.

It is an arithmetic number, because the mean of its divisors is an integer number (3499267).

Almost surely, 2^6998533 is an apocalyptic number.

It is an amenable number.

6998533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6998533 is an equidigital number, since it uses as much as digits as its factorization.

6998533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 6998533 is about 2645.4740595969. The cubic root of 6998533 is about 191.2797541529.

The spelling of 6998533 in words is "six million, nine hundred ninety-eight thousand, five hundred thirty-three".