526519949 has 2 divisors, whose sum is σ = 526519950. Its totient is φ = 526519948.

The previous prime is 526519943. The next prime is 526519957. The reversal of 526519949 is 949915625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525555625 + 964324 = 22925^2 + 982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526519949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 526519897 and 526519906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (526519943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263259974 + 263259975.

It is an arithmetic number, because the mean of its divisors is an integer number (263259975).

Almost surely, 2^526519949 is an apocalyptic number.

It is an amenable number.

526519949 is a deficient number, since it is larger than the sum of its proper divisors (1).

526519949 is an equidigital number, since it uses as much as digits as its factorization.

526519949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 50.

The square root of 526519949 is about 22946.0225093588. The cubic root of 526519949 is about 807.4920901371.

The spelling of 526519949 in words is "five hundred twenty-six million, five hundred nineteen thousand, nine hundred forty-nine".