2621033 has 2 divisors, whose sum is σ = 2621034. Its totient is φ = 2621032.

The previous prime is 2621027. The next prime is 2621053. The reversal of 2621033 is 3301262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 162409 = 1568^2 + 403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2621023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310516 + 1310517.

It is an arithmetic number, because the mean of its divisors is an integer number (1310517).

2^2621033 is an apocalyptic number.

It is an amenable number.

2621033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621033 is an equidigital number, since it uses as much as digits as its factorization.

2621033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2621033 is about 1618.9604689430. The cubic root of 2621033 is about 137.8766839291.

Adding to 2621033 its reverse (3301262), we get a palindrome (5922295).

The spelling of 2621033 in words is "two million, six hundred twenty-one thousand, thirty-three".