32150081 has 4 divisors (see below), whose sum is σ = 32201664. Its totient is φ = 32098500.

The previous prime is 32150057. The next prime is 32150087. The reversal of 32150081 is 18005123.

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: 18005123 = 2357 ⋅7639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32150081 is a prime.

It is a super-2 number, since 2×32150081² = 2067255416613122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32150087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24845 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (8050416).

Almost surely, 2^32150081 is an apocalyptic number.

It is an amenable number.

32150081 is a deficient number, since it is larger than the sum of its proper divisors (51583).

32150081 is an equidigital number, since it uses as much as digits as its factorization.

32150081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51582.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 32150081 is about 5670.1041436644. The cubic root of 32150081 is about 317.9757671763.

The spelling of 32150081 in words is "thirty-two million, one hundred fifty thousand, eighty-one".