2311252405 has 32 divisors (see below), whose sum is σ = 3608229888. Its totient is φ = 1378132800.

The previous prime is 2311252403. The next prime is 2311252417. The reversal of 2311252405 is 5042521132.

2311252405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311252405 - 2¹ = 2311252403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311252405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311252403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121651 + ... + 139360.

It is an arithmetic number, because the mean of its divisors is an integer number (112757184).

Almost surely, 2^2311252405 is an apocalyptic number.

It is an amenable number.

2311252405 is a deficient number, since it is larger than the sum of its proper divisors (1296977483).

2311252405 is a wasteful number, since it uses less digits than its factorization.

2311252405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261057.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2311252405 is about 48075.4865289994. The cubic root of 2311252405 is about 1322.1552647937.

Adding to 2311252405 its reverse (5042521132), we get a palindrome (7353773537).

The spelling of 2311252405 in words is "two billion, three hundred eleven million, two hundred fifty-two thousand, four hundred five".