852026421 has 8 divisors (see below), whose sum is σ = 1185428160. Its totient is φ = 543321152.

The previous prime is 852026419. The next prime is 852026429. The reversal of 852026421 is 124620258.

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 852026421 - 2¹ = 852026419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852026429) 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, 6174036 + ... + 6174173.

It is an arithmetic number, because the mean of its divisors is an integer number (148178520).

Almost surely, 2^852026421 is an apocalyptic number.

It is an amenable number.

852026421 is a deficient number, since it is larger than the sum of its proper divisors (333401739).

852026421 is a wasteful number, since it uses less digits than its factorization.

852026421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348235.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 852026421 is about 29189.4916194167. The cubic root of 852026421 is about 948.0204100628.

Adding to 852026421 its reverse (124620258), we get a palindrome (976646679).

The spelling of 852026421 in words is "eight hundred fifty-two million, twenty-six thousand, four hundred twenty-one".