5257287 has 12 divisors (see below), whose sum is σ = 8678800. Its totient is φ = 3004128.

The previous prime is 5257277. The next prime is 5257331. The reversal of 5257287 is 7827525.

5257287 is a `hidden beast` number, since 5 + 2 + 572 + 87 = 666.

It is not a de Polignac number, because 5257287 - 2⁷ = 5257159 is a prime.

It is a Duffinian number.

5257287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41662 + ... + 41787.

Almost surely, 2^5257287 is an apocalyptic number.

5257287 is a deficient number, since it is larger than the sum of its proper divisors (3421513).

5257287 is a wasteful number, since it uses less digits than its factorization.

5257287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83462 (or 83459 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 5257287 is about 2292.8774498433. The cubic root of 5257287 is about 173.8817071520.

The spelling of 5257287 in words is "five million, two hundred fifty-seven thousand, two hundred eighty-seven".