5391009 has 16 divisors (see below), whose sum is σ = 8601600. Its totient is φ = 3317328.

The previous prime is 5390999. The next prime is 5391017. The reversal of 5391009 is 9001935.

It is not a de Polignac number, because 5391009 - 2¹¹ = 5388961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5391019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7329 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (537600).

Almost surely, 2^5391009 is an apocalyptic number.

It is an amenable number.

5391009 is a deficient number, since it is larger than the sum of its proper divisors (3210591).

5391009 is a wasteful number, since it uses less digits than its factorization.

5391009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15381 (or 15375 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 5391009 is about 2321.8546466133. The cubic root of 5391009 is about 175.3436404118.

The spelling of 5391009 in words is "five million, three hundred ninety-one thousand, nine".