32161461 has 4 divisors (see below), whose sum is σ = 42881952. Its totient is φ = 21440972.

The previous prime is 32161427. The next prime is 32161483. The reversal of 32161461 is 16416123.

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.

It is a cyclic number.

It is not a de Polignac number, because 32161461 - 2⁷ = 32161333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5360241 + ... + 5360246.

It is an arithmetic number, because the mean of its divisors is an integer number (10720488).

Almost surely, 2^32161461 is an apocalyptic number.

It is an amenable number.

32161461 is a deficient number, since it is larger than the sum of its proper divisors (10720491).

32161461 is a wasteful number, since it uses less digits than its factorization.

32161461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720490.

The product of its digits is 864, while the sum is 24.

The square root of 32161461 is about 5671.1075637833. The cubic root of 32161461 is about 318.0132801700.

Adding to 32161461 its reverse (16416123), we get a palindrome (48577584).

The spelling of 32161461 in words is "thirty-two million, one hundred sixty-one thousand, four hundred sixty-one".