525199 has 2 divisors, whose sum is σ = 525200. Its totient is φ = 525198.

The previous prime is 525193. The next prime is 525209. The reversal of 525199 is 991525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525199 - 2³ = 525191 is a prime.

It is a Chen prime.

525199 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 525199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262599 + 262600.

It is an arithmetic number, because the mean of its divisors is an integer number (262600).

2⁵²⁵¹⁹⁹ is an apocalyptic number.

525199 is a deficient number, since it is larger than the sum of its proper divisors (1).

525199 is an equidigital number, since it uses as much as digits as its factorization.

525199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 31.

The square root of 525199 is about 724.7061473453. The cubic root of 525199 is about 80.6816237851.

The spelling of 525199 in words is "five hundred twenty-five thousand, one hundred ninety-nine".