32190061 has 4 divisors (see below), whose sum is σ = 34083612. Its totient is φ = 30296512.

The previous prime is 32190049. The next prime is 32190071. The reversal of 32190061 is 16009123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16933225 + 15256836 = 4115^2 + 3906^2 .

It is a cyclic number.

It is not a de Polignac number, because 32190061 - 2¹³ = 32181869 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 (32190031) 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, 946750 + ... + 946783.

It is an arithmetic number, because the mean of its divisors is an integer number (8520903).

Almost surely, 2^32190061 is an apocalyptic number.

It is an amenable number.

32190061 is a deficient number, since it is larger than the sum of its proper divisors (1893551).

32190061 is a wasteful number, since it uses less digits than its factorization.

32190061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893550.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 32190061 is about 5673.6285567527. The cubic root of 32190061 is about 318.1075180649.

Adding to 32190061 its reverse (16009123), we get a palindrome (48199184).

The spelling of 32190061 in words is "thirty-two million, one hundred ninety thousand, sixty-one".