2361506261 has 4 divisors (see below), whose sum is σ = 2500418412. Its totient is φ = 2222594112.

The previous prime is 2361506249. The next prime is 2361506267. The reversal of 2361506261 is 1626051632.

2361506261 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 1936528036 + 424978225 = 44006^2 + 20615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2361506261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2361506267) 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, 69456050 + ... + 69456083.

It is an arithmetic number, because the mean of its divisors is an integer number (625104603).

Almost surely, 2^2361506261 is an apocalyptic number.

It is an amenable number.

2361506261 is a deficient number, since it is larger than the sum of its proper divisors (138912151).

2361506261 is a wasteful number, since it uses less digits than its factorization.

2361506261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138912150.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2361506261 is about 48595.3316790821. The cubic root of 2361506261 is about 1331.6692367774.

Adding to 2361506261 its reverse (1626051632), we get a palindrome (3987557893).

The spelling of 2361506261 in words is "two billion, three hundred sixty-one million, five hundred six thousand, two hundred sixty-one".