32545813 has 4 divisors (see below), whose sum is σ = 32562208. Its totient is φ = 32529420.

The previous prime is 32545811. The next prime is 32545817. The reversal of 32545813 is 31854523.

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 32545813 - 2¹ = 32545811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32545811) 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, 4731 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (8140552).

Almost surely, 2^32545813 is an apocalyptic number.

It is an amenable number.

32545813 is a deficient number, since it is larger than the sum of its proper divisors (16395).

32545813 is a wasteful number, since it uses less digits than its factorization.

32545813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16394.

The product of its digits is 14400, while the sum is 31.

The square root of 32545813 is about 5704.8937763993. The cubic root of 32545813 is about 319.2750941144.

The spelling of 32545813 in words is "thirty-two million, five hundred forty-five thousand, eight hundred thirteen".