2630801 has 4 divisors (see below), whose sum is σ = 2785572. Its totient is φ = 2476032.

The previous prime is 2630791. The next prime is 2630819. The reversal of 2630801 is 1080362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1080362 = 2 ⋅540181.

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 274576 = 1535^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 2630801 - 2¹⁰ = 2629777 is a prime.

It is a super-2 number, since 2×2630801² = 13842227803202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2630861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77360 + ... + 77393.

It is an arithmetic number, because the mean of its divisors is an integer number (696393).

2^2630801 is an apocalyptic number.

It is an amenable number.

2630801 is a deficient number, since it is larger than the sum of its proper divisors (154771).

2630801 is a wasteful number, since it uses less digits than its factorization.

2630801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154770.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2630801 is about 1621.9744141015. The cubic root of 2630801 is about 138.0477500515.

The spelling of 2630801 in words is "two million, six hundred thirty thousand, eight hundred one".