5257989 has 24 divisors (see below), whose sum is σ = 8360352. Its totient is φ = 3157920.

The previous prime is 5257957. The next prime is 5257991. The reversal of 5257989 is 9897525.

It is a happy number.

It is not a de Polignac number, because 5257989 - 2⁵ = 5257957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16974 + ... + 17280.

It is an arithmetic number, because the mean of its divisors is an integer number (348348).

Almost surely, 2^5257989 is an apocalyptic number.

It is an amenable number.

5257989 is a deficient number, since it is larger than the sum of its proper divisors (3102363).

5257989 is a wasteful number, since it uses less digits than its factorization.

5257989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 494 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 5257989 is about 2293.0305274898. The cubic root of 5257989 is about 173.8894462214.

The spelling of 5257989 in words is "five million, two hundred fifty-seven thousand, nine hundred eighty-nine".