2775265231 has 2 divisors, whose sum is σ = 2775265232. Its totient is φ = 2775265230.

The previous prime is 2775265177. The next prime is 2775265237. The reversal of 2775265231 is 1325625772.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2775265231 is a prime.

It is a super-2 number, since 2×2775265231² = 15404194204794966722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2775265237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387632615 + 1387632616.

It is an arithmetic number, because the mean of its divisors is an integer number (1387632616).

Almost surely, 2^2775265231 is an apocalyptic number.

2775265231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775265231 is an equidigital number, since it uses as much as digits as its factorization.

2775265231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 40.

The square root of 2775265231 is about 52680.7861653563. The cubic root of 2775265231 is about 1405.2971481789.

The spelling of 2775265231 in words is "two billion, seven hundred seventy-five million, two hundred sixty-five thousand, two hundred thirty-one".