265043201 has 4 divisors (see below), whose sum is σ = 267474900. Its totient is φ = 262611504.

The previous prime is 265043171. The next prime is 265043221. The reversal of 265043201 is 102340562.

265043201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 236698225 + 28344976 = 15385^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 265043201 - 2²² = 260848897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265043221) 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, 1215686 + ... + 1215903.

It is an arithmetic number, because the mean of its divisors is an integer number (66868725).

Almost surely, 2^265043201 is an apocalyptic number.

It is an amenable number.

265043201 is a deficient number, since it is larger than the sum of its proper divisors (2431699).

265043201 is a wasteful number, since it uses less digits than its factorization.

265043201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431698.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 265043201 is about 16280.1474501922. The cubic root of 265043201 is about 642.3507309674.

Adding to 265043201 its reverse (102340562), we get a palindrome (367383763).

The spelling of 265043201 in words is "two hundred sixty-five million, forty-three thousand, two hundred one".