2291675137 has 4 divisors (see below), whose sum is σ = 2292207876. Its totient is φ = 2291142400.

The previous prime is 2291675131. The next prime is 2291675159. The reversal of 2291675137 is 7315761922.

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 1063803456 + 1227871681 = 32616^2 + 35041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291675137 - 2¹⁵ = 2291642369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2291675093 and 2291675102.

It is not an unprimeable number, because it can be changed into a prime (2291675131) 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, 259864 + ... + 268537.

It is an arithmetic number, because the mean of its divisors is an integer number (573051969).

Almost surely, 2^2291675137 is an apocalyptic number.

It is an amenable number.

2291675137 is a deficient number, since it is larger than the sum of its proper divisors (532739).

2291675137 is an equidigital number, since it uses as much as digits as its factorization.

2291675137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532738.

The product of its digits is 158760, while the sum is 43.

The square root of 2291675137 is about 47871.4438574815. The cubic root of 2291675137 is about 1318.4116065872.

The spelling of 2291675137 in words is "two billion, two hundred ninety-one million, six hundred seventy-five thousand, one hundred thirty-seven".