4052027491 has 4 divisors (see below), whose sum is σ = 4081604472. Its totient is φ = 4022450512.

The previous prime is 4052027489. The next prime is 4052027531. The reversal of 4052027491 is 1947202504.

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 4052027491 - 2¹ = 4052027489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4052027411) 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, 14788285 + ... + 14788558.

It is an arithmetic number, because the mean of its divisors is an integer number (1020401118).

Almost surely, 2^4052027491 is an apocalyptic number.

4052027491 is a deficient number, since it is larger than the sum of its proper divisors (29576981).

4052027491 is a wasteful number, since it uses less digits than its factorization.

4052027491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29576980.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 4052027491 is about 63655.5377873756. The cubic root of 4052027491 is about 1594.2538008424.

Adding to 4052027491 its reverse (1947202504), we get a palindrome (5999229995).

The spelling of 4052027491 in words is "four billion, fifty-two million, twenty-seven thousand, four hundred ninety-one".