5408561 has 2 divisors, whose sum is σ = 5408562. Its totient is φ = 5408560.

The previous prime is 5408537. The next prime is 5408569. The reversal of 5408561 is 1658045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 1874161 = 1880^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 5408561 - 2¹⁸ = 5146417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5408569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704280 + 2704281.

It is an arithmetic number, because the mean of its divisors is an integer number (2704281).

Almost surely, 2^5408561 is an apocalyptic number.

It is an amenable number.

5408561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5408561 is an equidigital number, since it uses as much as digits as its factorization.

5408561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 5408561 is about 2325.6313121387. The cubic root of 5408561 is about 175.5337283627.

The spelling of 5408561 in words is "five million, four hundred eight thousand, five hundred sixty-one".