32290061 has 2 divisors, whose sum is σ = 32290062. Its totient is φ = 32290060.

The previous prime is 32290057. The next prime is 32290087. The reversal of 32290061 is 16009223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 1974025 = 5506^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 32290061 - 2² = 32290057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32290261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16145030 + 16145031.

It is an arithmetic number, because the mean of its divisors is an integer number (16145031).

Almost surely, 2^32290061 is an apocalyptic number.

It is an amenable number.

32290061 is a deficient number, since it is larger than the sum of its proper divisors (1).

32290061 is an equidigital number, since it uses as much as digits as its factorization.

32290061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 32290061 is about 5682.4344254905. The cubic root of 32290061 is about 318.4365830724.

Adding to 32290061 its reverse (16009223), we get a palindrome (48299284).

The spelling of 32290061 in words is "thirty-two million, two hundred ninety thousand, sixty-one".