2142014251 has 4 divisors (see below), whose sum is σ = 2306784592. Its totient is φ = 1977243912.

The previous prime is 2142014227. The next prime is 2142014261. The reversal of 2142014251 is 1524102412.

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 2142014251 - 2¹¹ = 2142012203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142014201) 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, 82385151 + ... + 82385176.

It is an arithmetic number, because the mean of its divisors is an integer number (576696148).

Almost surely, 2^2142014251 is an apocalyptic number.

2142014251 is a deficient number, since it is larger than the sum of its proper divisors (164770341).

2142014251 is a wasteful number, since it uses less digits than its factorization.

2142014251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164770340.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2142014251 is about 46281.8998205562. The cubic root of 2142014251 is about 1289.0629276201.

Adding to 2142014251 its reverse (1524102412), we get a palindrome (3666116663).

The spelling of 2142014251 in words is "two billion, one hundred forty-two million, fourteen thousand, two hundred fifty-one".