32402897 has 2 divisors, whose sum is σ = 32402898. Its totient is φ = 32402896.

The previous prime is 32402893. The next prime is 32402899. The reversal of 32402897 is 79820423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 638401 = 5636^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 32402897 - 2² = 32402893 is a prime.

Together with 32402899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32402891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16201448 + 16201449.

It is an arithmetic number, because the mean of its divisors is an integer number (16201449).

Almost surely, 2^32402897 is an apocalyptic number.

It is an amenable number.

32402897 is a deficient number, since it is larger than the sum of its proper divisors (1).

32402897 is an equidigital number, since it uses as much as digits as its factorization.

32402897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 32402897 is about 5692.3542581255. The cubic root of 32402897 is about 318.8070720823.

The spelling of 32402897 in words is "thirty-two million, four hundred two thousand, eight hundred ninety-seven".