525298849 has 2 divisors, whose sum is σ = 525298850. Its totient is φ = 525298848.

The previous prime is 525298831. The next prime is 525298853. The reversal of 525298849 is 948892525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321951249 + 203347600 = 17943^2 + 14260^2 .

It is a cyclic number.

It is not a de Polignac number, because 525298849 - 2¹³ = 525290657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 525298796 and 525298805.

It is not a weakly prime, because it can be changed into another prime (525298819) 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, 262649424 + 262649425.

It is an arithmetic number, because the mean of its divisors is an integer number (262649425).

Almost surely, 2^525298849 is an apocalyptic number.

It is an amenable number.

525298849 is a deficient number, since it is larger than the sum of its proper divisors (1).

525298849 is an equidigital number, since it uses as much as digits as its factorization.

525298849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The square root of 525298849 is about 22919.3989668141. The cubic root of 525298849 is about 806.8673643064.

The spelling of 525298849 in words is "five hundred twenty-five million, two hundred ninety-eight thousand, eight hundred forty-nine".