32040451 has 2 divisors, whose sum is σ = 32040452. Its totient is φ = 32040450.

The previous prime is 32040443. The next prime is 32040467. The reversal of 32040451 is 15404023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32040451 - 2³ = 32040443 is a prime.

It is not a weakly prime, because it can be changed into another prime (32040851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16020225 + 16020226.

It is an arithmetic number, because the mean of its divisors is an integer number (16020226).

Almost surely, 2^32040451 is an apocalyptic number.

32040451 is a deficient number, since it is larger than the sum of its proper divisors (1).

32040451 is an equidigital number, since it uses as much as digits as its factorization.

32040451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32040451 is about 5660.4285173474. The cubic root of 32040451 is about 317.6139289817.

Adding to 32040451 its reverse (15404023), we get a palindrome (47444474).

The spelling of 32040451 in words is "thirty-two million, forty thousand, four hundred fifty-one".