871252401 has 8 divisors (see below), whose sum is σ = 1164736480. Its totient is φ = 579301632.

The previous prime is 871252381. The next prime is 871252439. The reversal of 871252401 is 104252178.

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

It is not a de Polignac number, because 871252401 - 2¹⁴ = 871236017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871252901) 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, 382000 + ... + 384273.

It is an arithmetic number, because the mean of its divisors is an integer number (145592060).

Almost surely, 2^871252401 is an apocalyptic number.

It is an amenable number.

871252401 is a deficient number, since it is larger than the sum of its proper divisors (293484079).

871252401 is a wasteful number, since it uses less digits than its factorization.

871252401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766655.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 871252401 is about 29516.9849578171. The cubic root of 871252401 is about 955.0981326934.

The spelling of 871252401 in words is "eight hundred seventy-one million, two hundred fifty-two thousand, four hundred one".