5427256021 has 16 divisors (see below), whose sum is σ = 6094605888. Its totient is φ = 4790822400.

The previous prime is 5427255983. The next prime is 5427256027. The reversal of 5427256021 is 1206527245.

It is a cyclic number.

It is not a de Polignac number, because 5427256021 - 2¹¹ = 5427253973 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 (5427256027) 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 15 ways as a sum of consecutive naturals, for example, 8566 + ... + 104536.

It is an arithmetic number, because the mean of its divisors is an integer number (380912868).

Almost surely, 2^5427256021 is an apocalyptic number.

It is an amenable number.

5427256021 is a deficient number, since it is larger than the sum of its proper divisors (667349867).

5427256021 is a wasteful number, since it uses less digits than its factorization.

5427256021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96132.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 5427256021 is about 73669.9125898762. The cubic root of 5427256021 is about 1757.3574346173.

The spelling of 5427256021 in words is "five billion, four hundred twenty-seven million, two hundred fifty-six thousand, twenty-one".