525797 has 4 divisors (see below), whose sum is σ = 527340. Its totient is φ = 524256.

The previous prime is 525781. The next prime is 525809. The reversal of 525797 is 797525.

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 474721 + 51076 = 689^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 525797 - 2⁴ = 525781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525797.

It is not an unprimeable number, because it can be changed into a prime (525727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (131835).

2⁵²⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

525797 is a deficient number, since it is larger than the sum of its proper divisors (1543).

525797 is a wasteful number, since it uses less digits than its factorization.

525797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 22050, while the sum is 35.

The square root of 525797 is about 725.1186109872. The cubic root of 525797 is about 80.7122339670.

The spelling of 525797 in words is "five hundred twenty-five thousand, seven hundred ninety-seven".