2157562275 has 24 divisors (see below), whose sum is σ = 3891459264. Its totient is φ = 1046090400.

The previous prime is 2157562249. The next prime is 2157562279. The reversal of 2157562275 is 5722657512.

2157562275 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2157562275 - 2⁵ = 2157562243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2157562279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1306789 + ... + 1308438.

It is an arithmetic number, because the mean of its divisors is an integer number (162144136).

Almost surely, 2^2157562275 is an apocalyptic number.

2157562275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2157562275 is a deficient number, since it is larger than the sum of its proper divisors (1733896989).

2157562275 is a wasteful number, since it uses less digits than its factorization.

2157562275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615251 (or 2615246 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 2157562275 is about 46449.5670055169. The cubic root of 2157562275 is about 1292.1743421418.

The spelling of 2157562275 in words is "two billion, one hundred fifty-seven million, five hundred sixty-two thousand, two hundred seventy-five".