32245649 has 4 divisors (see below), whose sum is σ = 32273700. Its totient is φ = 32217600.

The previous prime is 32245621. The next prime is 32245663. The reversal of 32245649 is 94654223.

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 2739025 + 29506624 = 1655^2 + 5432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32245649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32245249) 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, 12224 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (8068425).

Almost surely, 2^32245649 is an apocalyptic number.

It is an amenable number.

32245649 is a deficient number, since it is larger than the sum of its proper divisors (28051).

32245649 is a wasteful number, since it uses less digits than its factorization.

32245649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050.

The product of its digits is 51840, while the sum is 35.

The square root of 32245649 is about 5678.5252486891. The cubic root of 32245649 is about 318.2905227068.

The spelling of 32245649 in words is "thirty-two million, two hundred forty-five thousand, six hundred forty-nine".