32023561 has 2 divisors, whose sum is σ = 32023562. Its totient is φ = 32023560.

The previous prime is 32023553. The next prime is 32023573. The reversal of 32023561 is 16532023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988025 + 5035536 = 5195^2 + 2244^2 .

It is a cyclic number.

It is not a de Polignac number, because 32023561 - 2³ = 32023553 is a prime.

It is not a weakly prime, because it can be changed into another prime (32023661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16011780 + 16011781.

It is an arithmetic number, because the mean of its divisors is an integer number (16011781).

Almost surely, 2^32023561 is an apocalyptic number.

It is an amenable number.

32023561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32023561 is an equidigital number, since it uses as much as digits as its factorization.

32023561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 32023561 is about 5658.9363841627. The cubic root of 32023561 is about 317.5581095203.

Adding to 32023561 its reverse (16532023), we get a palindrome (48555584).

The spelling of 32023561 in words is "thirty-two million, twenty-three thousand, five hundred sixty-one".