65465437 has 2 divisors, whose sum is σ = 65465438. Its totient is φ = 65465436.

The previous prime is 65465423. The next prime is 65465443. The reversal of 65465437 is 73456456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 1156 = 8091^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 65465437 - 2¹¹ = 65463389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65465437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65465417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32732718 + 32732719.

It is an arithmetic number, because the mean of its divisors is an integer number (32732719).

Almost surely, 2^65465437 is an apocalyptic number.

It is an amenable number.

65465437 is a deficient number, since it is larger than the sum of its proper divisors (1).

65465437 is an equidigital number, since it uses as much as digits as its factorization.

65465437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The square root of 65465437 is about 8091.0714370842. The cubic root of 65465437 is about 403.0299837920.

The spelling of 65465437 in words is "sixty-five million, four hundred sixty-five thousand, four hundred thirty-seven".