532649 has 4 divisors (see below), whose sum is σ = 573636. Its totient is φ = 491664.

The previous prime is 532639. The next prime is 532663. The reversal of 532649 is 946235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336400 + 196249 = 580^2 + 443^2 .

It is a cyclic number.

It is not a de Polignac number, because 532649 - 2⁴ = 532633 is a prime.

It is a d-powerful number, because it can be written as 5 + 3⁵ + 6⁵ + 2¹⁹ + 4⁴ + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20474 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (143409).

2⁵³²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

532649 is a deficient number, since it is larger than the sum of its proper divisors (40987).

532649 is a wasteful number, since it uses less digits than its factorization.

532649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40986.

The product of its digits is 6480, while the sum is 29.

The square root of 532649 is about 729.8280619434. The cubic root of 532649 is about 81.0613263154.

The spelling of 532649 in words is "five hundred thirty-two thousand, six hundred forty-nine".