32148861 has 4 divisors (see below), whose sum is σ = 42865152. Its totient is φ = 21432572.

The previous prime is 32148859. The next prime is 32148863. The reversal of 32148861 is 16884123.

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: 16884123 = 3 ⋅5628041.

It is an interprime number because it is at equal distance from previous prime (32148859) and next prime (32148863).

It is a cyclic number.

It is not a de Polignac number, because 32148861 - 2¹ = 32148859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32148863) 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, 5358141 + ... + 5358146.

It is an arithmetic number, because the mean of its divisors is an integer number (10716288).

Almost surely, 2^32148861 is an apocalyptic number.

It is an amenable number.

32148861 is a deficient number, since it is larger than the sum of its proper divisors (10716291).

32148861 is a wasteful number, since it uses less digits than its factorization.

32148861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716290.

The product of its digits is 9216, while the sum is 33.

The square root of 32148861 is about 5669.9965608455. The cubic root of 32148861 is about 317.9717450470.

The spelling of 32148861 in words is "thirty-two million, one hundred forty-eight thousand, eight hundred sixty-one".