65107949 has 2 divisors, whose sum is σ = 65107950. Its totient is φ = 65107948.

The previous prime is 65107937. The next prime is 65107993. The reversal of 65107949 is 94970156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35022724 + 30085225 = 5918^2 + 5485^2 .

It is a cyclic number.

It is not a de Polignac number, because 65107949 - 2¹² = 65103853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65107919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32553974 + 32553975.

It is an arithmetic number, because the mean of its divisors is an integer number (32553975).

Almost surely, 2^65107949 is an apocalyptic number.

It is an amenable number.

65107949 is a deficient number, since it is larger than the sum of its proper divisors (1).

65107949 is an equidigital number, since it uses as much as digits as its factorization.

65107949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 65107949 is about 8068.9496838188. The cubic root of 65107949 is about 402.2950339472.

The spelling of 65107949 in words is "sixty-five million, one hundred seven thousand, nine hundred forty-nine".