32561373 has 16 divisors (see below), whose sum is σ = 47524736. Its totient is φ = 19707840.

The previous prime is 32561371. The next prime is 32561387. The reversal of 32561373 is 37316523.

It is not a de Polignac number, because 32561373 - 2¹ = 32561371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32561373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32561371) 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, 4465 + ... + 9222.

It is an arithmetic number, because the mean of its divisors is an integer number (2970296).

Almost surely, 2^32561373 is an apocalyptic number.

It is an amenable number.

32561373 is a deficient number, since it is larger than the sum of its proper divisors (14963363).

32561373 is a wasteful number, since it uses less digits than its factorization.

32561373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764.

The product of its digits is 11340, while the sum is 30.

The square root of 32561373 is about 5706.2573548693. The cubic root of 32561373 is about 319.3259673143.

Adding to 32561373 its reverse (37316523), we get a palindrome (69877896).

The spelling of 32561373 in words is "thirty-two million, five hundred sixty-one thousand, three hundred seventy-three".