32125021 has 4 divisors (see below), whose sum is σ = 33161344. Its totient is φ = 31088700.

The previous prime is 32125007. The next prime is 32125039. The reversal of 32125021 is 12052123.

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 32125021 - 2⁷ = 32124893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32124986 and 32125004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32125001) 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, 518115 + ... + 518176.

It is an arithmetic number, because the mean of its divisors is an integer number (8290336).

Almost surely, 2^32125021 is an apocalyptic number.

32125021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32125021 is a deficient number, since it is larger than the sum of its proper divisors (1036323).

32125021 is a wasteful number, since it uses less digits than its factorization.

32125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036322.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 32125021 is about 5667.8938769176. The cubic root of 32125021 is about 317.8931282552.

Adding to 32125021 its reverse (12052123), we get a palindrome (44177144).

The spelling of 32125021 in words is "thirty-two million, one hundred twenty-five thousand, twenty-one".