2051143007 has 4 divisors (see below), whose sum is σ = 2171798496. Its totient is φ = 1930487520.

The previous prime is 2051142997. The next prime is 2051143009. The reversal of 2051143007 is 7003411502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2051143007 - 2⁴ = 2051142991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051143009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60327719 + ... + 60327752.

It is an arithmetic number, because the mean of its divisors is an integer number (542949624).

Almost surely, 2^2051143007 is an apocalyptic number.

2051143007 is a deficient number, since it is larger than the sum of its proper divisors (120655489).

2051143007 is a wasteful number, since it uses less digits than its factorization.

2051143007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120655488.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2051143007 is about 45289.5463324595. The cubic root of 2051143007 is about 1270.5701465908.

Adding to 2051143007 its reverse (7003411502), we get a palindrome (9054554509).

The spelling of 2051143007 in words is "two billion, fifty-one million, one hundred forty-three thousand, seven".