649514 has 4 divisors (see below), whose sum is σ = 974274. Its totient is φ = 324756.

The previous prime is 649511. The next prime is 649529. The reversal of 649514 is 415946.

649514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415946 = 2 ⋅207973.

It can be written as a sum of positive squares in only one way, i.e., 537289 + 112225 = 733^2 + 335^2 .

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649514.

It is not an unprimeable number, because it can be changed into a prime (649511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162377 + ... + 162380.

2⁶⁴⁹⁵¹⁴ is an apocalyptic number.

649514 is a deficient number, since it is larger than the sum of its proper divisors (324760).

649514 is a wasteful number, since it uses less digits than its factorization.

649514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324759.

The product of its digits is 4320, while the sum is 29.

The square root of 649514 is about 805.9243140643. The cubic root of 649514 is about 86.6023158073.

The spelling of 649514 in words is "six hundred forty-nine thousand, five hundred fourteen".