535020649 has 2 divisors, whose sum is σ = 535020650. Its totient is φ = 535020648.

The previous prime is 535020643. The next prime is 535020653. The reversal of 535020649 is 946020535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 517881049 + 17139600 = 22757^2 + 4140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535020649 is a prime.

It is not a weakly prime, because it can be changed into another prime (535020643) 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, 267510324 + 267510325.

It is an arithmetic number, because the mean of its divisors is an integer number (267510325).

Almost surely, 2^535020649 is an apocalyptic number.

It is an amenable number.

535020649 is a deficient number, since it is larger than the sum of its proper divisors (1).

535020649 is an equidigital number, since it uses as much as digits as its factorization.

535020649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 535020649 is about 23130.5133751934. The cubic root of 535020649 is about 811.8145819972.

The spelling of 535020649 in words is "five hundred thirty-five million, twenty thousand, six hundred forty-nine".