65272305 has 16 divisors (see below), whose sum is σ = 119355264. Its totient is φ = 29838720.

The previous prime is 65272297. The next prime is 65272313. The reversal of 65272305 is 50327256.

It is an interprime number because it is at equal distance from previous prime (65272297) and next prime (65272313).

It is not a de Polignac number, because 65272305 - 2³ = 65272297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310716 + ... + 310925.

It is an arithmetic number, because the mean of its divisors is an integer number (7459704).

Almost surely, 2^65272305 is an apocalyptic number.

It is an amenable number.

65272305 is a deficient number, since it is larger than the sum of its proper divisors (54082959).

65272305 is a wasteful number, since it uses less digits than its factorization.

65272305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621656.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 65272305 is about 8079.1277375717. The cubic root of 65272305 is about 402.6332622021.

The spelling of 65272305 in words is "sixty-five million, two hundred seventy-two thousand, three hundred five".