2875042981 has 2 divisors, whose sum is σ = 2875042982. Its totient is φ = 2875042980.

The previous prime is 2875042979. The next prime is 2875042991. The reversal of 2875042981 is 1892405782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2256725025 + 618317956 = 47505^2 + 24866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2875042981 - 2¹ = 2875042979 is a prime.

It is a super-2 number, since 2×2875042981² = 16531744285194732722, which contains 22 as substring.

Together with 2875042979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2875042991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437521490 + 1437521491.

It is an arithmetic number, because the mean of its divisors is an integer number (1437521491).

Almost surely, 2^2875042981 is an apocalyptic number.

It is an amenable number.

2875042981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2875042981 is an equidigital number, since it uses as much as digits as its factorization.

2875042981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2875042981 is about 53619.4272722117. The cubic root of 2875042981 is about 1421.9405758178.

The spelling of 2875042981 in words is "two billion, eight hundred seventy-five million, forty-two thousand, nine hundred eighty-one".