649529333 has 2 divisors, whose sum is σ = 649529334. Its totient is φ = 649529332.

The previous prime is 649529303. The next prime is 649529351. The reversal of 649529333 is 333925946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407353489 + 242175844 = 20183^2 + 15562^2 .

It is a cyclic number.

It is not a de Polignac number, because 649529333 - 2⁸ = 649529077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (649529303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324764666 + 324764667.

It is an arithmetic number, because the mean of its divisors is an integer number (324764667).

Almost surely, 2^649529333 is an apocalyptic number.

It is an amenable number.

649529333 is a deficient number, since it is larger than the sum of its proper divisors (1).

649529333 is an equidigital number, since it uses as much as digits as its factorization.

649529333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 44.

The square root of 649529333 is about 25485.8653570955. The cubic root of 649529333 is about 866.0299727211.

The spelling of 649529333 in words is "six hundred forty-nine million, five hundred twenty-nine thousand, three hundred thirty-three".