2620633 has 2 divisors, whose sum is σ = 2620634. Its totient is φ = 2620632.

The previous prime is 2620619. The next prime is 2620637. The reversal of 2620633 is 3360262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 34969 = 1608^2 + 187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620633 is a prime.

It is equal to p₁₉₁₂₆₃ and since 2620633 and 191263 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2620637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310316 + 1310317.

It is an arithmetic number, because the mean of its divisors is an integer number (1310317).

2^2620633 is an apocalyptic number.

It is an amenable number.

2620633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620633 is an equidigital number, since it uses as much as digits as its factorization.

2620633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2620633 is about 1618.8369281679. The cubic root of 2620633 is about 137.8696697125.

Adding to 2620633 its reverse (3360262), we get a palindrome (5980895).

The spelling of 2620633 in words is "two million, six hundred twenty thousand, six hundred thirty-three".