525089 has 4 divisors (see below), whose sum is σ = 532356. Its totient is φ = 517824.

The previous prime is 525043. The next prime is 525101. The reversal of 525089 is 980525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144400 + 380689 = 380^2 + 617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3524 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (133089).

2⁵²⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

525089 is a deficient number, since it is larger than the sum of its proper divisors (7267).

525089 is an equidigital number, since it uses as much as digits as its factorization.

525089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 525089 is about 724.6302505416. The cubic root of 525089 is about 80.6759906198.

It can be divided in two parts, 52 and 5089, that multiplied together give a triangular number (264628 = T₇₂₇).

The spelling of 525089 in words is "five hundred twenty-five thousand, eighty-nine".