32016481 has 4 divisors (see below), whose sum is σ = 36590272. Its totient is φ = 27442692.

The previous prime is 32016473. The next prime is 32016533. The reversal of 32016481 is 18461023.

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 32016481 - 2³ = 32016473 is a prime.

It is a super-2 number, since 2×32016481² = 2050110111246722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32016401) 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, 2286885 + ... + 2286898.

It is an arithmetic number, because the mean of its divisors is an integer number (9147568).

Almost surely, 2^32016481 is an apocalyptic number.

It is an amenable number.

32016481 is a deficient number, since it is larger than the sum of its proper divisors (4573791).

32016481 is an equidigital number, since it uses as much as digits as its factorization.

32016481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573790.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 32016481 is about 5658.3107903331. The cubic root of 32016481 is about 317.5347051158.

The spelling of 32016481 in words is "thirty-two million, sixteen thousand, four hundred eighty-one".