526449197 has 2 divisors, whose sum is σ = 526449198. Its totient is φ = 526449196.

The previous prime is 526449193. The next prime is 526449199. The reversal of 526449197 is 791944625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465437476 + 61011721 = 21574^2 + 7811^2 .

It is a cyclic number.

It is not a de Polignac number, because 526449197 - 2² = 526449193 is a prime.

Together with 526449199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526449193) 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, 263224598 + 263224599.

It is an arithmetic number, because the mean of its divisors is an integer number (263224599).

Almost surely, 2^526449197 is an apocalyptic number.

It is an amenable number.

526449197 is a deficient number, since it is larger than the sum of its proper divisors (1).

526449197 is an equidigital number, since it uses as much as digits as its factorization.

526449197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 526449197 is about 22944.4807524598. The cubic root of 526449197 is about 807.4559191495.

The spelling of 526449197 in words is "five hundred twenty-six million, four hundred forty-nine thousand, one hundred ninety-seven".