2365261 has 4 divisors (see below), whose sum is σ = 2504412. Its totient is φ = 2226112.

The previous prime is 2365243. The next prime is 2365267. The reversal of 2365261 is 1625632.

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 2220100 + 145161 = 1490^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 2365261 - 2¹¹ = 2363213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2365267) 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, 69550 + ... + 69583.

It is an arithmetic number, because the mean of its divisors is an integer number (626103).

2^2365261 is an apocalyptic number.

It is an amenable number.

2365261 is a deficient number, since it is larger than the sum of its proper divisors (139151).

2365261 is a wasteful number, since it uses less digits than its factorization.

2365261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139150.

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

The square root of 2365261 is about 1537.9405060015. The cubic root of 2365261 is about 133.2374637230.

The spelling of 2365261 in words is "two million, three hundred sixty-five thousand, two hundred sixty-one".