8452381001 has 4 divisors (see below), whose sum is σ = 8455534032. Its totient is φ = 8449227972.

The previous prime is 8452380947. The next prime is 8452381009. The reversal of 8452381001 is 1001832548.

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 a de Polignac number, because none of the positive numbers 2^k-8452381001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8452381009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572491 + ... + 1577856.

It is an arithmetic number, because the mean of its divisors is an integer number (2113883508).

Almost surely, 2^8452381001 is an apocalyptic number.

It is an amenable number.

8452381001 is a deficient number, since it is larger than the sum of its proper divisors (3153031).

8452381001 is a wasteful number, since it uses less digits than its factorization.

8452381001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153030.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8452381001 is about 91936.8315801670. The cubic root of 8452381001 is about 2037.0093465991.

The spelling of 8452381001 in words is "eight billion, four hundred fifty-two million, three hundred eighty-one thousand, one".