32149213 has 4 divisors (see below), whose sum is σ = 32629120. Its totient is φ = 31669308.

The previous prime is 32149181. The next prime is 32149231. The reversal of 32149213 is 31294123.

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: 31294123 = 7 ⋅4470589.

It is a cyclic number.

It is not a de Polignac number, because 32149213 - 2⁵ = 32149181 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 (32149253) 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, 239853 + ... + 239986.

It is an arithmetic number, because the mean of its divisors is an integer number (8157280).

Almost surely, 2^32149213 is an apocalyptic number.

It is an amenable number.

32149213 is a deficient number, since it is larger than the sum of its proper divisors (479907).

32149213 is an equidigital number, since it uses as much as digits as its factorization.

32149213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479906.

The product of its digits is 1296, while the sum is 25.

The square root of 32149213 is about 5670.0276013438. The cubic root of 32149213 is about 317.9729055407.

The spelling of 32149213 in words is "thirty-two million, one hundred forty-nine thousand, two hundred thirteen".