2028461 has 2 divisors, whose sum is σ = 2028462. Its totient is φ = 2028460.

The previous prime is 2028443. The next prime is 2028487. The reversal of 2028461 is 1648202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1674436 + 354025 = 1294^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2028461 is a prime.

It is a super-2 number, since 2×2028461² = 8229308057042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2028401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014230 + 1014231.

It is an arithmetic number, because the mean of its divisors is an integer number (1014231).

2^2028461 is an apocalyptic number.

It is an amenable number.

2028461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028461 is an equidigital number, since it uses as much as digits as its factorization.

2028461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2028461 is about 1424.2404993540. The cubic root of 2028461 is about 126.5869358193.

The spelling of 2028461 in words is "two million, twenty-eight thousand, four hundred sixty-one".