525086257 has 2 divisors, whose sum is σ = 525086258. Its totient is φ = 525086256.

The previous prime is 525086239. The next prime is 525086279. The reversal of 525086257 is 752680525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301404321 + 223681936 = 17361^2 + 14956^2 .

It is a cyclic number.

It is not a de Polignac number, because 525086257 - 2¹⁹ = 524561969 is a prime.

It is not a weakly prime, because it can be changed into another prime (525086207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262543128 + 262543129.

It is an arithmetic number, because the mean of its divisors is an integer number (262543129).

Almost surely, 2^525086257 is an apocalyptic number.

It is an amenable number.

525086257 is a deficient number, since it is larger than the sum of its proper divisors (1).

525086257 is an equidigital number, since it uses as much as digits as its factorization.

525086257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 525086257 is about 22914.7606795271. The cubic root of 525086257 is about 806.7585013912.

The spelling of 525086257 in words is "five hundred twenty-five million, eighty-six thousand, two hundred fifty-seven".