525255193 has 2 divisors, whose sum is σ = 525255194. Its totient is φ = 525255192.

The previous prime is 525255187. The next prime is 525255251. The reversal of 525255193 is 391552525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335146249 + 190108944 = 18307^2 + 13788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525255193 is a prime.

It is not a weakly prime, because it can be changed into another prime (525258193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262627596 + 262627597.

It is an arithmetic number, because the mean of its divisors is an integer number (262627597).

Almost surely, 2^525255193 is an apocalyptic number.

It is an amenable number.

525255193 is a deficient number, since it is larger than the sum of its proper divisors (1).

525255193 is an equidigital number, since it uses as much as digits as its factorization.

525255193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67500, while the sum is 37.

The square root of 525255193 is about 22918.4465660306. The cubic root of 525255193 is about 806.8450115844.

The spelling of 525255193 in words is "five hundred twenty-five million, two hundred fifty-five thousand, one hundred ninety-three".