32720453 has 2 divisors, whose sum is σ = 32720454. Its totient is φ = 32720452.

The previous prime is 32720447. The next prime is 32720459. The reversal of 32720453 is 35402723.

It is a balanced prime because it is at equal distance from previous prime (32720447) and next prime (32720459).

It can be written as a sum of positive squares in only one way, i.e., 19918369 + 12802084 = 4463^2 + 3578^2 .

It is a cyclic number.

It is not a de Polignac number, because 32720453 - 2⁴ = 32720437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32720459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16360226 + 16360227.

It is an arithmetic number, because the mean of its divisors is an integer number (16360227).

Almost surely, 2^32720453 is an apocalyptic number.

It is an amenable number.

32720453 is a deficient number, since it is larger than the sum of its proper divisors (1).

32720453 is an equidigital number, since it uses as much as digits as its factorization.

32720453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 32720453 is about 5720.1794552269. The cubic root of 32720453 is about 319.8451496883.

The spelling of 32720453 in words is "thirty-two million, seven hundred twenty thousand, four hundred fifty-three".