2051541413 has 4 divisors (see below), whose sum is σ = 2053855200. Its totient is φ = 2049227628.

The previous prime is 2051541389. The next prime is 2051541421. The reversal of 2051541413 is 3141451502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051541413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051541913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155563 + ... + 1157336.

It is an arithmetic number, because the mean of its divisors is an integer number (513463800).

Almost surely, 2^2051541413 is an apocalyptic number.

It is an amenable number.

2051541413 is a deficient number, since it is larger than the sum of its proper divisors (2313787).

2051541413 is an equidigital number, since it uses as much as digits as its factorization.

2051541413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313786.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2051541413 is about 45293.9445511207. The cubic root of 2051541413 is about 1270.6524047914.

Adding to 2051541413 its reverse (3141451502), we get a palindrome (5192992915).

The spelling of 2051541413 in words is "two billion, fifty-one million, five hundred forty-one thousand, four hundred thirteen".