65059231 has 4 divisors (see below), whose sum is σ = 65140264. Its totient is φ = 64978200.

The previous prime is 65059219. The next prime is 65059243. The reversal of 65059231 is 13295056.

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

It is an interprime number because it is at equal distance from previous prime (65059219) and next prime (65059243).

It is a cyclic number.

It is not a de Polignac number, because 65059231 - 2⁵ = 65059199 is a prime.

It is a super-2 number, since 2×65059231² = 8465407076622722, 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 = 65059193 and 65059202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65059201) 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, 39300 + ... + 40921.

It is an arithmetic number, because the mean of its divisors is an integer number (16285066).

Almost surely, 2^65059231 is an apocalyptic number.

65059231 is a deficient number, since it is larger than the sum of its proper divisors (81033).

65059231 is an equidigital number, since it uses as much as digits as its factorization.

65059231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81032.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 65059231 is about 8065.9302625302. The cubic root of 65059231 is about 402.1946678106.

The spelling of 65059231 in words is "sixty-five million, fifty-nine thousand, two hundred thirty-one".