525258193 has 2 divisors, whose sum is σ = 525258194. Its totient is φ = 525258192.

The previous prime is 525258131. The next prime is 525258263. The reversal of 525258193 is 391852525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520387344 + 4870849 = 22812^2 + 2207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525258193 is a prime.

It is not a weakly prime, because it can be changed into another prime (525258103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262629096 + 262629097.

It is an arithmetic number, because the mean of its divisors is an integer number (262629097).

Almost surely, 2^525258193 is an apocalyptic number.

It is an amenable number.

525258193 is a deficient number, since it is larger than the sum of its proper divisors (1).

525258193 is an equidigital number, since it uses as much as digits as its factorization.

525258193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 40.

The square root of 525258193 is about 22918.5120153993. The cubic root of 525258193 is about 806.8465476824.

The spelling of 525258193 in words is "five hundred twenty-five million, two hundred fifty-eight thousand, one hundred ninety-three".