32516413 has 4 divisors (see below), whose sum is σ = 32686848. Its totient is φ = 32345980.

The previous prime is 32516389. The next prime is 32516423. The reversal of 32516413 is 31461523.

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 a de Polignac number, because none of the positive numbers 2^k-32516413 is a prime.

It is a super-2 number, since 2×32516413² = 2114634228773138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32516423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84931 + ... + 85312.

It is an arithmetic number, because the mean of its divisors is an integer number (8171712).

Almost surely, 2^32516413 is an apocalyptic number.

It is an amenable number.

32516413 is a deficient number, since it is larger than the sum of its proper divisors (170435).

32516413 is a wasteful number, since it uses less digits than its factorization.

32516413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170434.

The product of its digits is 2160, while the sum is 25.

The square root of 32516413 is about 5702.3164591243. The cubic root of 32516413 is about 319.1789269499.

Adding to 32516413 its reverse (31461523), we get a palindrome (63977936).

The spelling of 32516413 in words is "thirty-two million, five hundred sixteen thousand, four hundred thirteen".