5263261 has 4 divisors (see below), whose sum is σ = 5304832. Its totient is φ = 5221692.

The previous prime is 5263259. The next prime is 5263267. The reversal of 5263261 is 1623625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5263261 - 2¹ = 5263259 is a prime.

It is a d-powerful number, because it can be written as 5⁴ + 2²⁰ + 6² + 3⁹ + 2²² + 6² + 1 .

It is a Duffinian number.

5263261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263267) 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, 20595 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (1326208).

Almost surely, 2^5263261 is an apocalyptic number.

It is an amenable number.

5263261 is a deficient number, since it is larger than the sum of its proper divisors (41571).

5263261 is a wasteful number, since it uses less digits than its factorization.

5263261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41570.

The product of its digits is 2160, while the sum is 25.

The square root of 5263261 is about 2294.1798098667. The cubic root of 5263261 is about 173.9475444116.

Adding to 5263261 its reverse (1623625), we get a palindrome (6886886).

The spelling of 5263261 in words is "five million, two hundred sixty-three thousand, two hundred sixty-one".