2567001 has 4 divisors (see below), whose sum is σ = 3422672. Its totient is φ = 1711332.

The previous prime is 2566997. The next prime is 2567009. The reversal of 2567001 is 1007652.

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 2567001 - 2² = 2566997 is a prime.

It is a D-number.

It is a Duffinian number.

2567001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2567009) 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, 427831 + ... + 427836.

It is an arithmetic number, because the mean of its divisors is an integer number (855668).

2^2567001 is an apocalyptic number.

It is an amenable number.

2567001 is a deficient number, since it is larger than the sum of its proper divisors (855671).

2567001 is an equidigital number, since it uses as much as digits as its factorization.

2567001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855670.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2567001 is about 1602.1863187532. The cubic root of 2567001 is about 136.9226657866.

The spelling of 2567001 in words is "two million, five hundred sixty-seven thousand, one".