65271253 has 4 divisors (see below), whose sum is σ = 65293228. Its totient is φ = 65249280.

The previous prime is 65271247. The next prime is 65271277. The reversal of 65271253 is 35217256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32012964 + 33258289 = 5658^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 65271253 - 2⁹ = 65270741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65271853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5676 + ... + 12757.

It is an arithmetic number, because the mean of its divisors is an integer number (16323307).

Almost surely, 2^65271253 is an apocalyptic number.

It is an amenable number.

65271253 is a deficient number, since it is larger than the sum of its proper divisors (21975).

65271253 is a wasteful number, since it uses less digits than its factorization.

65271253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21974.

The product of its digits is 12600, while the sum is 31.

The square root of 65271253 is about 8079.0626312710. The cubic root of 65271253 is about 402.6310990975.

The spelling of 65271253 in words is "sixty-five million, two hundred seventy-one thousand, two hundred fifty-three".