2372187261 has 16 divisors (see below), whose sum is σ = 3199184000. Its totient is φ = 1563427008.

The previous prime is 2372187241. The next prime is 2372187263. The reversal of 2372187261 is 1627812732.

It is not a de Polignac number, because 2372187261 - 2¹⁵ = 2372154493 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 (2372187263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81075 + ... + 106383.

It is an arithmetic number, because the mean of its divisors is an integer number (199949000).

Almost surely, 2^2372187261 is an apocalyptic number.

It is an amenable number.

2372187261 is a deficient number, since it is larger than the sum of its proper divisors (826996739).

2372187261 is a wasteful number, since it uses less digits than its factorization.

2372187261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25668.

The product of its digits is 56448, while the sum is 39.

The square root of 2372187261 is about 48705.1050815004. The cubic root of 2372187261 is about 1333.6739133229.

Adding to 2372187261 its reverse (1627812732), we get a palindrome (3999999993).

The spelling of 2372187261 in words is "two billion, three hundred seventy-two million, one hundred eighty-seven thousand, two hundred sixty-one".