5289945 has 16 divisors (see below), whose sum is σ = 8581632. Its totient is φ = 2782080.

The previous prime is 5289929. The next prime is 5289959. The reversal of 5289945 is 5499825.

It is not a de Polignac number, because 5289945 - 2⁴ = 5289929 is a prime.

It is an Ulam number.

5289945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5289897 and 5289906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (536352).

Almost surely, 2^5289945 is an apocalyptic number.

It is an amenable number.

5289945 is a deficient number, since it is larger than the sum of its proper divisors (3291687).

5289945 is a wasteful number, since it uses less digits than its factorization.

5289945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its digits is 129600, while the sum is 42.

The square root of 5289945 is about 2299.9880434472. The cubic root of 5289945 is about 174.2410122938.

The spelling of 5289945 in words is "five million, two hundred eighty-nine thousand, nine hundred forty-five".