65172763 has 2 divisors, whose sum is σ = 65172764. Its totient is φ = 65172762.

The previous prime is 65172761. The next prime is 65172769. The reversal of 65172763 is 36727156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65172763 - 2¹ = 65172761 is a prime.

Together with 65172761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65172761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32586381 + 32586382.

It is an arithmetic number, because the mean of its divisors is an integer number (32586382).

Almost surely, 2^65172763 is an apocalyptic number.

65172763 is a deficient number, since it is larger than the sum of its proper divisors (1).

65172763 is an equidigital number, since it uses as much as digits as its factorization.

65172763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 65172763 is about 8072.9649448019. The cubic root of 65172763 is about 402.4284825931.

The spelling of 65172763 in words is "sixty-five million, one hundred seventy-two thousand, seven hundred sixty-three".