852442901 has 4 divisors (see below), whose sum is σ = 870580032. Its totient is φ = 834305772.

The previous prime is 852442897. The next prime is 852442919. The reversal of 852442901 is 109244258.

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, and also an emirpimes, since its reverse is a distinct semiprime: 109244258 = 2 ⋅54622129.

It is a cyclic number.

It is not a de Polignac number, because 852442901 - 2² = 852442897 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 (852442601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9068495 + ... + 9068588.

It is an arithmetic number, because the mean of its divisors is an integer number (217645008).

Almost surely, 2^852442901 is an apocalyptic number.

It is an amenable number.

852442901 is a deficient number, since it is larger than the sum of its proper divisors (18137131).

852442901 is a wasteful number, since it uses less digits than its factorization.

852442901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137130.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 852442901 is about 29196.6248220578. The cubic root of 852442901 is about 948.1748525447.

The spelling of 852442901 in words is "eight hundred fifty-two million, four hundred forty-two thousand, nine hundred one".