525887 has 2 divisors, whose sum is σ = 525888. Its totient is φ = 525886.

The previous prime is 525871. The next prime is 525893. The reversal of 525887 is 788525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525887 - 2⁴ = 525871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262943 + 262944.

It is an arithmetic number, because the mean of its divisors is an integer number (262944).

2⁵²⁵⁸⁸⁷ is an apocalyptic number.

525887 is a deficient number, since it is larger than the sum of its proper divisors (1).

525887 is an equidigital number, since it uses as much as digits as its factorization.

525887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 525887 is about 725.1806671444. The cubic root of 525887 is about 80.7168388409.

It can be divided in two parts, 5258 and 87, that multiplied together give a triangular number (457446 = T₉₅₆).

The spelling of 525887 in words is "five hundred twenty-five thousand, eight hundred eighty-seven".