525250993 has 2 divisors, whose sum is σ = 525250994. Its totient is φ = 525250992.

The previous prime is 525250969. The next prime is 525251047. The reversal of 525250993 is 399052525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309513649 + 215737344 = 17593^2 + 14688^2 .

It is a cyclic number.

It is not a de Polignac number, because 525250993 - 2⁵ = 525250961 is a prime.

It is not a weakly prime, because it can be changed into another prime (525250903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262625496 + 262625497.

It is an arithmetic number, because the mean of its divisors is an integer number (262625497).

Almost surely, 2^525250993 is an apocalyptic number.

It is an amenable number.

525250993 is a deficient number, since it is larger than the sum of its proper divisors (1).

525250993 is an equidigital number, since it uses as much as digits as its factorization.

525250993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 525250993 is about 22918.3549366005. The cubic root of 525250993 is about 806.8428610373.

The spelling of 525250993 in words is "five hundred twenty-five million, two hundred fifty thousand, nine hundred ninety-three".