525593 has 2 divisors, whose sum is σ = 525594. Its totient is φ = 525592.

The previous prime is 525583. The next prime is 525599. The reversal of 525593 is 395525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 100489 = 652^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 525593 - 2⁶ = 525529 is a prime.

It is not a weakly prime, because it can be changed into another prime (525599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262796 + 262797.

It is an arithmetic number, because the mean of its divisors is an integer number (262797).

2⁵²⁵⁵⁹³ is an apocalyptic number.

It is an amenable number.

525593 is a deficient number, since it is larger than the sum of its proper divisors (1).

525593 is an equidigital number, since it uses as much as digits as its factorization.

525593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 29.

The square root of 525593 is about 724.9779306986. The cubic root of 525593 is about 80.7017943071.

The spelling of 525593 in words is "five hundred twenty-five thousand, five hundred ninety-three".