32420497 has 2 divisors, whose sum is σ = 32420498. Its totient is φ = 32420496.

The previous prime is 32420467. The next prime is 32420503. The reversal of 32420497 is 79402423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31708161 + 712336 = 5631^2 + 844^2 .

It is an emirp because it is prime and its reverse (79402423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32420497 - 2¹⁹ = 31896209 is a prime.

It is not a weakly prime, because it can be changed into another prime (32420417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210248 + 16210249.

It is an arithmetic number, because the mean of its divisors is an integer number (16210249).

Almost surely, 2^32420497 is an apocalyptic number.

It is an amenable number.

32420497 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420497 is an equidigital number, since it uses as much as digits as its factorization.

32420497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 32420497 is about 5693.8999815592. The cubic root of 32420497 is about 318.8647828572.

The spelling of 32420497 in words is "thirty-two million, four hundred twenty thousand, four hundred ninety-seven".