32248421 has 4 divisors (see below), whose sum is σ = 32298912. Its totient is φ = 32197932.

The previous prime is 32248399. The next prime is 32248441. The reversal of 32248421 is 12484223.

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: 12484223 = 59 ⋅211597.

It is a cyclic number.

It is not a de Polignac number, because 32248421 - 2⁶ = 32248357 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 (32248441) 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, 24275 + ... + 25568.

It is an arithmetic number, because the mean of its divisors is an integer number (8074728).

Almost surely, 2^32248421 is an apocalyptic number.

It is an amenable number.

32248421 is a deficient number, since it is larger than the sum of its proper divisors (50491).

32248421 is an equidigital number, since it uses as much as digits as its factorization.

32248421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50490.

The product of its digits is 3072, while the sum is 26.

The square root of 32248421 is about 5678.7693209004. The cubic root of 32248421 is about 318.2996430695.

The spelling of 32248421 in words is "thirty-two million, two hundred forty-eight thousand, four hundred twenty-one".