4021271253 has 12 divisors (see below), whose sum is σ = 5811313248. Its totient is φ = 2679550440.

The previous prime is 4021271249. The next prime is 4021271257. The reversal of 4021271253 is 3521721204.

4021271253 is a `hidden beast` number, since 402 + 1 + 2 + 7 + 1 + 253 = 666.

It is an interprime number because it is at equal distance from previous prime (4021271249) and next prime (4021271257).

It is not a de Polignac number, because 4021271253 - 2² = 4021271249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021271257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88263 + ... + 125828.

It is an arithmetic number, because the mean of its divisors is an integer number (484276104).

Almost surely, 2^4021271253 is an apocalyptic number.

It is an amenable number.

4021271253 is a deficient number, since it is larger than the sum of its proper divisors (1790041995).

4021271253 is a wasteful number, since it uses less digits than its factorization.

4021271253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216184 (or 216181 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 4021271253 is about 63413.4942500411. The cubic root of 4021271253 is about 1590.2099129528.

Adding to 4021271253 its reverse (3521721204), we get a palindrome (7542992457).

The spelling of 4021271253 in words is "four billion, twenty-one million, two hundred seventy-one thousand, two hundred fifty-three".