1098533 has 2 divisors, whose sum is σ = 1098534. Its totient is φ = 1098532.

The previous prime is 1098511. The next prime is 1098541. The reversal of 1098533 is 3358901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085764 + 12769 = 1042^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098533 - 2⁶ = 1098469 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098496 and 1098505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549266 + 549267.

It is an arithmetic number, because the mean of its divisors is an integer number (549267).

2^1098533 is an apocalyptic number.

It is an amenable number.

1098533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098533 is an equidigital number, since it uses as much as digits as its factorization.

1098533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1098533 is about 1048.1092500307. The cubic root of 1098533 is about 103.1821015872.

The spelling of 1098533 in words is "one million, ninety-eight thousand, five hundred thirty-three".