2051403113 has 2 divisors, whose sum is σ = 2051403114. Its totient is φ = 2051403112.

The previous prime is 2051403049. The next prime is 2051403121. The reversal of 2051403113 is 3113041502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042514944 + 1008888169 = 32288^2 + 31763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051403113 - 2⁶ = 2051403049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051403163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025701556 + 1025701557.

It is an arithmetic number, because the mean of its divisors is an integer number (1025701557).

Almost surely, 2^2051403113 is an apocalyptic number.

It is an amenable number.

2051403113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051403113 is an equidigital number, since it uses as much as digits as its factorization.

2051403113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2051403113 is about 45292.4178312441. The cubic root of 2051403113 is about 1270.6238514355.

Adding to 2051403113 its reverse (3113041502), we get a palindrome (5164444615).

The spelling of 2051403113 in words is "two billion, fifty-one million, four hundred three thousand, one hundred thirteen".