8001057 has 4 divisors (see below), whose sum is σ = 10668080. Its totient is φ = 5334036.

The previous prime is 8001047. The next prime is 8001107. The reversal of 8001057 is 7501008.

It is a happy number.

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 not a de Polignac number, because 8001057 - 2⁸ = 8000801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8001047) 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, 1333507 + ... + 1333512.

It is an arithmetic number, because the mean of its divisors is an integer number (2667020).

Almost surely, 2^8001057 is an apocalyptic number.

It is an amenable number.

8001057 is a deficient number, since it is larger than the sum of its proper divisors (2667023).

8001057 is a wasteful number, since it uses less digits than its factorization.

8001057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667022.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 8001057 is about 2828.6139715415. The cubic root of 8001057 is about 200.0088079454.

The spelling of 8001057 in words is "eight million, one thousand, fifty-seven".