2051262427 has 4 divisors (see below), whose sum is σ = 2051375040. Its totient is φ = 2051149816.

The previous prime is 2051262403. The next prime is 2051262461. The reversal of 2051262427 is 7242621502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2051262427 - 2¹⁵ = 2051229659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051262487) 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, 22027 + ... + 67732.

It is an arithmetic number, because the mean of its divisors is an integer number (512843760).

Almost surely, 2^2051262427 is an apocalyptic number.

2051262427 is a deficient number, since it is larger than the sum of its proper divisors (112613).

2051262427 is an equidigital number, since it uses as much as digits as its factorization.

2051262427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112612.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2051262427 is about 45290.8647190579. The cubic root of 2051262427 is about 1270.5948041503.

Adding to 2051262427 its reverse (7242621502), we get a palindrome (9293883929).

The spelling of 2051262427 in words is "two billion, fifty-one million, two hundred sixty-two thousand, four hundred twenty-seven".