649255033 has 8 divisors (see below), whose sum is σ = 742537152. Its totient is φ = 556105776.

The previous prime is 649255003. The next prime is 649255043. The reversal of 649255033 is 330552946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-649255033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 649254983 and 649255001.

It is not an unprimeable number, because it can be changed into a prime (649255003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22510 + ... + 42487.

It is an arithmetic number, because the mean of its divisors is an integer number (92817144).

Almost surely, 2^649255033 is an apocalyptic number.

It is an amenable number.

649255033 is a deficient number, since it is larger than the sum of its proper divisors (93282119).

649255033 is a wasteful number, since it uses less digits than its factorization.

649255033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66431.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 649255033 is about 25480.4833745359. The cubic root of 649255033 is about 865.9080457312.

The spelling of 649255033 in words is "six hundred forty-nine million, two hundred fifty-five thousand, thirty-three".