5646281 has 2 divisors, whose sum is σ = 5646282. Its totient is φ = 5646280.

The previous prime is 5646269. The next prime is 5646317. The reversal of 5646281 is 1826465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 2190400 = 1859^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646281 - 2¹⁰ = 5645257 is a prime.

It is a super-2 number, since 2×5646281² = 63760978261922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5646581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823140 + 2823141.

It is an arithmetic number, because the mean of its divisors is an integer number (2823141).

Almost surely, 2^5646281 is an apocalyptic number.

It is an amenable number.

5646281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646281 is an equidigital number, since it uses as much as digits as its factorization.

5646281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 5646281 is about 2376.1904384960. The cubic root of 5646281 is about 178.0686622284.

The spelling of 5646281 in words is "five million, six hundred forty-six thousand, two hundred eighty-one".