843425001 has 32 divisors (see below), whose sum is σ = 1286208000. Its totient is φ = 546007824.

The previous prime is 843424999. The next prime is 843425003. The reversal of 843425001 is 100524348.

It is an interprime number because it is at equal distance from previous prime (843424999) and next prime (843425003).

It is not a de Polignac number, because 843425001 - 2¹ = 843424999 is a prime.

It is a super-2 number, since 2×843425001² = 1422731464623700002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (843425003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129030 + ... + 135408.

It is an arithmetic number, because the mean of its divisors is an integer number (40194000).

Almost surely, 2^843425001 is an apocalyptic number.

It is an amenable number.

843425001 is a deficient number, since it is larger than the sum of its proper divisors (442782999).

843425001 is a wasteful number, since it uses less digits than its factorization.

843425001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530 (or 6524 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 843425001 is about 29041.7802656793. The cubic root of 843425001 is about 944.8194464829.

Adding to 843425001 its reverse (100524348), we get a palindrome (943949349).

The spelling of 843425001 in words is "eight hundred forty-three million, four hundred twenty-five thousand, one".