5451889 has 2 divisors, whose sum is σ = 5451890. Its totient is φ = 5451888.

The previous prime is 5451871. The next prime is 5451931. The reversal of 5451889 is 9881545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 501264 = 2225^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451889 - 2²¹ = 3354737 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5451289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725944 + 2725945.

It is an arithmetic number, because the mean of its divisors is an integer number (2725945).

Almost surely, 2^5451889 is an apocalyptic number.

It is an amenable number.

5451889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451889 is an equidigital number, since it uses as much as digits as its factorization.

5451889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 40.

The square root of 5451889 is about 2334.9280502833. The cubic root of 5451889 is about 176.0012159868.

The spelling of 5451889 in words is "five million, four hundred fifty-one thousand, eight hundred eighty-nine".