32155961 has 8 divisors (see below), whose sum is σ = 34166880. Its totient is φ = 30176928.

The previous prime is 32155939. The next prime is 32155973. The reversal of 32155961 is 16955123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32155961 - 2¹⁴ = 32139577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32155561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876 + ... + 9941.

It is an arithmetic number, because the mean of its divisors is an integer number (4270860).

Almost surely, 2^32155961 is an apocalyptic number.

It is an amenable number.

32155961 is a deficient number, since it is larger than the sum of its proper divisors (2010919).

32155961 is a wasteful number, since it uses less digits than its factorization.

32155961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943.

The product of its digits is 8100, while the sum is 32.

The square root of 32155961 is about 5670.6226289535. The cubic root of 32155961 is about 317.9951510936.

The spelling of 32155961 in words is "thirty-two million, one hundred fifty-five thousand, nine hundred sixty-one".