2100533 has 2 divisors, whose sum is σ = 2100534. Its totient is φ = 2100532.

The previous prime is 2100523. The next prime is 2100541. The reversal of 2100533 is 3350012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 6724 = 1447^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100533 - 2⁸ = 2100277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100523) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050266 + 1050267.

It is an arithmetic number, because the mean of its divisors is an integer number (1050267).

2^2100533 is an apocalyptic number.

It is an amenable number.

2100533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100533 is an equidigital number, since it uses as much as digits as its factorization.

2100533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 2100533 is about 1449.3215654229. The cubic root of 2100533 is about 128.0687496885.

Adding to 2100533 its reverse (3350012), we get a palindrome (5450545).

The spelling of 2100533 in words is "two million, one hundred thousand, five hundred thirty-three".