65321875 has 12 divisors (see below), whose sum is σ = 81651024. Its totient is φ = 52255000.

The previous prime is 65321849. The next prime is 65321881. The reversal of 65321875 is 57812356.

It is not a de Polignac number, because 65321875 - 2⁵ = 65321843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7327 + ... + 13576.

It is an arithmetic number, because the mean of its divisors is an integer number (6804252).

Almost surely, 2^65321875 is an apocalyptic number.

65321875 is a deficient number, since it is larger than the sum of its proper divisors (16329149).

65321875 is an frugal number, since it uses more digits than its factorization.

65321875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928 (or 20908 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 65321875 is about 8082.1949370205. The cubic root of 65321875 is about 402.7351608585.

The spelling of 65321875 in words is "sixty-five million, three hundred twenty-one thousand, eight hundred seventy-five".