4167421253 has 4 divisors (see below), whose sum is σ = 4167670080. Its totient is φ = 4167172428.

The previous prime is 4167421243. The next prime is 4167421277. The reversal of 4167421253 is 3521247614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4167421253 - 2⁶ = 4167421189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4167421243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97325 + ... + 133442.

It is an arithmetic number, because the mean of its divisors is an integer number (1041917520).

Almost surely, 2^4167421253 is an apocalyptic number.

It is an amenable number.

4167421253 is a deficient number, since it is larger than the sum of its proper divisors (248827).

4167421253 is a wasteful number, since it uses less digits than its factorization.

4167421253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248826.

The product of its digits is 40320, while the sum is 35.

The square root of 4167421253 is about 64555.5671727853. The cubic root of 4167421253 is about 1609.2461078253.

Adding to 4167421253 its reverse (3521247614), we get a palindrome (7688668867).

The spelling of 4167421253 in words is "four billion, one hundred sixty-seven million, four hundred twenty-one thousand, two hundred fifty-three".