2051530214 has 16 divisors (see below), whose sum is σ = 3183497856. Its totient is φ = 990508800.

The previous prime is 2051530141. The next prime is 2051530219. The reversal of 2051530214 is 4120351502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051530214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051530219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7307 + ... + 64470.

It is an arithmetic number, because the mean of its divisors is an integer number (198968616).

Almost surely, 2^2051530214 is an apocalyptic number.

2051530214 is a deficient number, since it is larger than the sum of its proper divisors (1131967642).

2051530214 is a wasteful number, since it uses less digits than its factorization.

2051530214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72271.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2051530214 is about 45293.8209251549. The cubic root of 2051530214 is about 1270.6500926987.

Adding to 2051530214 its reverse (4120351502), we get a palindrome (6171881716).

The spelling of 2051530214 in words is "two billion, fifty-one million, five hundred thirty thousand, two hundred fourteen".