2051132513 has 2 divisors, whose sum is σ = 2051132514. Its totient is φ = 2051132512.

The previous prime is 2051132471. The next prime is 2051132519. The reversal of 2051132513 is 3152311502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463215504 + 587917009 = 38252^2 + 24247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051132513 - 2²² = 2046938209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051132519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025566256 + 1025566257.

It is an arithmetic number, because the mean of its divisors is an integer number (1025566257).

Almost surely, 2^2051132513 is an apocalyptic number.

It is an amenable number.

2051132513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051132513 is an equidigital number, since it uses as much as digits as its factorization.

2051132513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2051132513 is about 45289.4304777616. The cubic root of 2051132513 is about 1270.5679797687.

The spelling of 2051132513 in words is "two billion, fifty-one million, one hundred thirty-two thousand, five hundred thirteen".