4253417221 has 8 divisors (see below), whose sum is σ = 4509725760. Its totient is φ = 3997787328.

The previous prime is 4253417191. The next prime is 4253417227. The reversal of 4253417221 is 1227143524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4253417221 - 2¹³ = 4253409029 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 (4253417227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156721 + ... + 181846.

It is an arithmetic number, because the mean of its divisors is an integer number (563715720).

Almost surely, 2^4253417221 is an apocalyptic number.

It is an amenable number.

4253417221 is a deficient number, since it is larger than the sum of its proper divisors (256308539).

4253417221 is a wasteful number, since it uses less digits than its factorization.

4253417221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339323.

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

The square root of 4253417221 is about 65218.2276744776. The cubic root of 4253417221 is about 1620.2399203927.

The spelling of 4253417221 in words is "four billion, two hundred fifty-three million, four hundred seventeen thousand, two hundred twenty-one".