2750785231 has 2 divisors, whose sum is σ = 2750785232. Its totient is φ = 2750785230.

The previous prime is 2750785201. The next prime is 2750785307. The reversal of 2750785231 is 1325870572.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2750785231 - 2¹⁵ = 2750752463 is a prime.

It is a super-2 number, since 2×2750785231² = 15133638774175446722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750785201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375392615 + 1375392616.

It is an arithmetic number, because the mean of its divisors is an integer number (1375392616).

Almost surely, 2^2750785231 is an apocalyptic number.

2750785231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750785231 is an equidigital number, since it uses as much as digits as its factorization.

2750785231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 2750785231 is about 52447.9287579595. The cubic root of 2750785231 is about 1401.1530010101.

The spelling of 2750785231 in words is "two billion, seven hundred fifty million, seven hundred eighty-five thousand, two hundred thirty-one".