32649623 has 2 divisors, whose sum is σ = 32649624. Its totient is φ = 32649622.

The previous prime is 32649613. The next prime is 32649629. The reversal of 32649623 is 32694623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32649623 - 2⁴ = 32649607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32649629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16324811 + 16324812.

It is an arithmetic number, because the mean of its divisors is an integer number (16324812).

Almost surely, 2^32649623 is an apocalyptic number.

32649623 is a deficient number, since it is larger than the sum of its proper divisors (1).

32649623 is an equidigital number, since it uses as much as digits as its factorization.

32649623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 35.

The square root of 32649623 is about 5713.9848617230. The cubic root of 32649623 is about 319.6141932436.

The spelling of 32649623 in words is "thirty-two million, six hundred forty-nine thousand, six hundred twenty-three".