265141563 has 16 divisors (see below), whose sum is σ = 366110496. Its totient is φ = 170576640.

The previous prime is 265141553. The next prime is 265141573. The reversal of 265141563 is 365141562.

It is an interprime number because it is at equal distance from previous prime (265141553) and next prime (265141573).

It is not a de Polignac number, because 265141563 - 2⁵ = 265141531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265141553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3970 + ... + 23367.

It is an arithmetic number, because the mean of its divisors is an integer number (22881906).

Almost surely, 2^265141563 is an apocalyptic number.

265141563 is a deficient number, since it is larger than the sum of its proper divisors (100968933).

265141563 is a wasteful number, since it uses less digits than its factorization.

265141563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27454.

The product of its digits is 21600, while the sum is 33.

The square root of 265141563 is about 16283.1680885508. The cubic root of 265141563 is about 642.4301835345.

Subtracting 265141563 from its reverse (365141562), we obtain a palindrome (99999999).

The spelling of 265141563 in words is "two hundred sixty-five million, one hundred forty-one thousand, five hundred sixty-three".