2750042531 has 2 divisors, whose sum is σ = 2750042532. Its totient is φ = 2750042530.

The previous prime is 2750042509. The next prime is 2750042551. The reversal of 2750042531 is 1352400572.

It is a happy number.

2750042531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750042531 is a prime.

It is a super-2 number, since 2×2750042531² = 15125467844617771922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2750042494 and 2750042503.

It is not a weakly prime, because it can be changed into another prime (2750042551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375021265 + 1375021266.

It is an arithmetic number, because the mean of its divisors is an integer number (1375021266).

Almost surely, 2^2750042531 is an apocalyptic number.

2750042531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750042531 is an equidigital number, since it uses as much as digits as its factorization.

2750042531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2750042531 is about 52440.8479241135. The cubic root of 2750042531 is about 1401.0268879289.

The spelling of 2750042531 in words is "two billion, seven hundred fifty million, forty-two thousand, five hundred thirty-one".