65497603 has 2 divisors, whose sum is σ = 65497604. Its totient is φ = 65497602.

The previous prime is 65497577. The next prime is 65497633. The reversal of 65497603 is 30679456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65497603 - 2²¹ = 63400451 is a prime.

It is not a weakly prime, because it can be changed into another prime (65497633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32748801 + 32748802.

It is an arithmetic number, because the mean of its divisors is an integer number (32748802).

Almost surely, 2^65497603 is an apocalyptic number.

65497603 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497603 is an equidigital number, since it uses as much as digits as its factorization.

65497603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 65497603 is about 8093.0589396099. The cubic root of 65497603 is about 403.0959816702.

The spelling of 65497603 in words is "sixty-five million, four hundred ninety-seven thousand, six hundred three".