2043013481 has 2 divisors, whose sum is σ = 2043013482. Its totient is φ = 2043013480.

The previous prime is 2043013439. The next prime is 2043013499. The reversal of 2043013481 is 1843103402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062760000 + 980253481 = 32600^2 + 31309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043013481 - 2²⁶ = 1975904617 is a prime.

It is a super-2 number, since 2×2043013481² = 8347808167095474722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2043013481.

It is not a weakly prime, because it can be changed into another prime (2043013411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021506740 + 1021506741.

It is an arithmetic number, because the mean of its divisors is an integer number (1021506741).

Almost surely, 2^2043013481 is an apocalyptic number.

It is an amenable number.

2043013481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043013481 is an equidigital number, since it uses as much as digits as its factorization.

2043013481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2043013481 is about 45199.7066472781. The cubic root of 2043013481 is about 1268.8893261346.

Adding to 2043013481 its reverse (1843103402), we get a palindrome (3886116883).

The spelling of 2043013481 in words is "two billion, forty-three million, thirteen thousand, four hundred eighty-one".