5857509 has 12 divisors (see below), whose sum is σ = 9085344. Its totient is φ = 3347064.

The previous prime is 5857499. The next prime is 5857519. The reversal of 5857509 is 9057585.

It is an interprime number because it is at equal distance from previous prime (5857499) and next prime (5857519).

It is not a de Polignac number, because 5857509 - 2⁴ = 5857493 is a prime.

5857509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5857519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19777 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (757112).

Almost surely, 2^5857509 is an apocalyptic number.

It is an amenable number.

5857509 is a deficient number, since it is larger than the sum of its proper divisors (3227835).

5857509 is a wasteful number, since it uses less digits than its factorization.

5857509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39864 (or 39857 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 5857509 is about 2420.2291213850. The cubic root of 5857509 is about 180.2620565662.

The spelling of 5857509 in words is "five million, eight hundred fifty-seven thousand, five hundred nine".