65000473 has 2 divisors, whose sum is σ = 65000474. Its totient is φ = 65000472.

The previous prime is 65000443. The next prime is 65000549. The reversal of 65000473 is 37400056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39275289 + 25725184 = 6267^2 + 5072^2 .

It is a cyclic number.

It is not a de Polignac number, because 65000473 - 2¹³ = 64992281 is a prime.

It is a super-2 number, since 2×65000473² = 8450122980447458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65000443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500236 + 32500237.

It is an arithmetic number, because the mean of its divisors is an integer number (32500237).

Almost surely, 2^65000473 is an apocalyptic number.

It is an amenable number.

65000473 is a deficient number, since it is larger than the sum of its proper divisors (1).

65000473 is an equidigital number, since it uses as much as digits as its factorization.

65000473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 65000473 is about 8062.2870824599. The cubic root of 65000473 is about 402.0735511403.

The spelling of 65000473 in words is "sixty-five million, four hundred seventy-three", and thus it is an aban number.