32313661 has 4 divisors (see below), whose sum is σ = 34014400. Its totient is φ = 30612924.

The previous prime is 32313653. The next prime is 32313667. The reversal of 32313661 is 16631323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16631323 = 23 ⋅723101.

It is a cyclic number.

It is not a de Polignac number, because 32313661 - 2³ = 32313653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313667) 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, 850341 + ... + 850378.

It is an arithmetic number, because the mean of its divisors is an integer number (8503600).

Almost surely, 2^32313661 is an apocalyptic number.

It is an amenable number.

32313661 is a deficient number, since it is larger than the sum of its proper divisors (1700739).

32313661 is a wasteful number, since it uses less digits than its factorization.

32313661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700738.

The product of its digits is 1944, while the sum is 25.

The square root of 32313661 is about 5684.5106209770. The cubic root of 32313661 is about 318.5141432978.

Adding to 32313661 its reverse (16631323), we get a palindrome (48944984).

The spelling of 32313661 in words is "thirty-two million, three hundred thirteen thousand, six hundred sixty-one".