65351837 has 2 divisors, whose sum is σ = 65351838. Its totient is φ = 65351836.

The previous prime is 65351833. The next prime is 65351843. The reversal of 65351837 is 73815356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46594276 + 18757561 = 6826^2 + 4331^2 .

It is a cyclic number.

It is not a de Polignac number, because 65351837 - 2² = 65351833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65351837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65351831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32675918 + 32675919.

It is an arithmetic number, because the mean of its divisors is an integer number (32675919).

Almost surely, 2^65351837 is an apocalyptic number.

It is an amenable number.

65351837 is a deficient number, since it is larger than the sum of its proper divisors (1).

65351837 is an equidigital number, since it uses as much as digits as its factorization.

65351837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 65351837 is about 8084.0483051501. The cubic root of 65351837 is about 402.7967273012.

The spelling of 65351837 in words is "sixty-five million, three hundred fifty-one thousand, eight hundred thirty-seven".