65272531 has 8 divisors (see below), whose sum is σ = 65839104. Its totient is φ = 64708680.

The previous prime is 65272523. The next prime is 65272541. The reversal of 65272531 is 13527256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65272531 - 2³ = 65272523 is a prime.

It is a super-2 number, since 2×65272531² = 8521006606291922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65272493 and 65272502.

It is not an unprimeable number, because it can be changed into a prime (65272541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107230 + ... + 107836.

It is an arithmetic number, because the mean of its divisors is an integer number (8229888).

Almost surely, 2^65272531 is an apocalyptic number.

65272531 is a deficient number, since it is larger than the sum of its proper divisors (566573).

65272531 is a wasteful number, since it uses less digits than its factorization.

65272531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

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

The square root of 65272531 is about 8079.1417242180. The cubic root of 65272531 is about 402.6337268964.

Adding to 65272531 its reverse (13527256), we get a palindrome (78799787).

The spelling of 65272531 in words is "sixty-five million, two hundred seventy-two thousand, five hundred thirty-one".