854640001 has 4 divisors (see below), whose sum is σ = 856381104. Its totient is φ = 852898900.

The previous prime is 854639987. The next prime is 854640043. The reversal of 854640001 is 100046458.

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 854640001 - 2¹⁷ = 854508929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854640071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869815 + ... + 870796.

It is an arithmetic number, because the mean of its divisors is an integer number (214095276).

Almost surely, 2^854640001 is an apocalyptic number.

It is an amenable number.

854640001 is a deficient number, since it is larger than the sum of its proper divisors (1741103).

854640001 is a wasteful number, since it uses less digits than its factorization.

854640001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741102.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 854640001 is about 29234.2265332948. The cubic root of 854640001 is about 948.9887673679.

Adding to 854640001 its reverse (100046458), we get a palindrome (954686459).

The spelling of 854640001 in words is "eight hundred fifty-four million, six hundred forty thousand, one".