525599 has 2 divisors, whose sum is σ = 525600. Its totient is φ = 525598.

The previous prime is 525593. The next prime is 525607. The reversal of 525599 is 995525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525599 - 2⁴ = 525583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262799 + 262800.

It is an arithmetic number, because the mean of its divisors is an integer number (262800).

2⁵²⁵⁵⁹⁹ is an apocalyptic number.

525599 is a deficient number, since it is larger than the sum of its proper divisors (1).

525599 is an equidigital number, since it uses as much as digits as its factorization.

525599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 35.

The square root of 525599 is about 724.9820687438. The cubic root of 525599 is about 80.7021013944.

The spelling of 525599 in words is "five hundred twenty-five thousand, five hundred ninety-nine".