32561949 has 16 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 18343920.

The previous prime is 32561939. The next prime is 32561989. The reversal of 32561949 is 94916523.

It is not a de Polignac number, because 32561949 - 2¹³ = 32553757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32561909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9429 + ... + 12410.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^32561949 is an apocalyptic number.

It is an amenable number.

32561949 is a deficient number, since it is larger than the sum of its proper divisors (17757411).

32561949 is a wasteful number, since it uses less digits than its factorization.

32561949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21920.

The product of its digits is 58320, while the sum is 39.

The square root of 32561949 is about 5706.3078255559. The cubic root of 32561949 is about 319.3278502271.

The spelling of 32561949 in words is "thirty-two million, five hundred sixty-one thousand, nine hundred forty-nine".