265005127 has 4 divisors (see below), whose sum is σ = 265038120. Its totient is φ = 264972136.

The previous prime is 265005121. The next prime is 265005131. The reversal of 265005127 is 721500562.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 721500562 = 2 ⋅360750281.

It is a cyclic number.

It is not a de Polignac number, because 265005127 - 2¹⁵ = 264972359 is a prime.

It is a super-2 number, since 2×265005127² = 140455434672572258, 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 = 265005095 and 265005104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265005121) 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, 4248 + ... + 23410.

It is an arithmetic number, because the mean of its divisors is an integer number (66259530).

Almost surely, 2^265005127 is an apocalyptic number.

265005127 is a deficient number, since it is larger than the sum of its proper divisors (32993).

265005127 is a wasteful number, since it uses less digits than its factorization.

265005127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32992.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 265005127 is about 16278.9780698912. The cubic root of 265005127 is about 642.3199711607.

Adding to 265005127 its reverse (721500562), we get a palindrome (986505689).

The spelling of 265005127 in words is "two hundred sixty-five million, five thousand, one hundred twenty-seven".