32561623 has 2 divisors, whose sum is σ = 32561624. Its totient is φ = 32561622.

The previous prime is 32561597. The next prime is 32561653. The reversal of 32561623 is 32616523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32561623 - 2¹³ = 32553431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32561591 and 32561600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32561653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16280811 + 16280812.

It is an arithmetic number, because the mean of its divisors is an integer number (16280812).

Almost surely, 2^32561623 is an apocalyptic number.

32561623 is a deficient number, since it is larger than the sum of its proper divisors (1).

32561623 is an equidigital number, since it uses as much as digits as its factorization.

32561623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 32561623 is about 5706.2792606041. The cubic root of 32561623 is about 319.3267845535.

The spelling of 32561623 in words is "thirty-two million, five hundred sixty-one thousand, six hundred twenty-three".