649513282 has 16 divisors (see below), whose sum is σ = 1067884704. Its totient is φ = 293832000.

The previous prime is 649513279. The next prime is 649513283. The reversal of 649513282 is 282315946.

It is not an unprimeable number, because it can be changed into a prime (649513283) 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, 65319 + ... + 74602.

It is an arithmetic number, because the mean of its divisors is an integer number (66742794).

Almost surely, 2^649513282 is an apocalyptic number.

649513282 is a deficient number, since it is larger than the sum of its proper divisors (418371422).

649513282 is a wasteful number, since it uses less digits than its factorization.

649513282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140145.

The product of its digits is 103680, while the sum is 40.

The square root of 649513282 is about 25485.5504551108. The cubic root of 649513282 is about 866.0228389598.

The spelling of 649513282 in words is "six hundred forty-nine million, five hundred thirteen thousand, two hundred eighty-two".