65002391 has 2 divisors, whose sum is σ = 65002392. Its totient is φ = 65002390.

The previous prime is 65002367. The next prime is 65002411. The reversal of 65002391 is 19320056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65002391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65002391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65002321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32501195 + 32501196.

It is an arithmetic number, because the mean of its divisors is an integer number (32501196).

Almost surely, 2^65002391 is an apocalyptic number.

65002391 is a deficient number, since it is larger than the sum of its proper divisors (1).

65002391 is an equidigital number, since it uses as much as digits as its factorization.

65002391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 65002391 is about 8062.4060304601. The cubic root of 65002391 is about 402.0775058268.

The spelling of 65002391 in words is "sixty-five million, two thousand, three hundred ninety-one".