65812937 has 2 divisors, whose sum is σ = 65812938. Its totient is φ = 65812936.

The previous prime is 65812921. The next prime is 65812949. The reversal of 65812937 is 73921856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48706441 + 17106496 = 6979^2 + 4136^2 .

It is a cyclic number.

It is not a de Polignac number, because 65812937 - 2⁴ = 65812921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65812894 and 65812903.

It is not a weakly prime, because it can be changed into another prime (65812237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32906468 + 32906469.

It is an arithmetic number, because the mean of its divisors is an integer number (32906469).

Almost surely, 2^65812937 is an apocalyptic number.

It is an amenable number.

65812937 is a deficient number, since it is larger than the sum of its proper divisors (1).

65812937 is an equidigital number, since it uses as much as digits as its factorization.

65812937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 65812937 is about 8112.5173035255. The cubic root of 65812937 is about 403.7418395281.

The spelling of 65812937 in words is "sixty-five million, eight hundred twelve thousand, nine hundred thirty-seven".