2557011 has 8 divisors (see below), whose sum is σ = 3422160. Its totient is φ = 1698272.

The previous prime is 2557007. The next prime is 2557013. The reversal of 2557011 is 1107552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2557011 - 2² = 2557007 is a prime.

2557011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2557013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (427770).

2^2557011 is an apocalyptic number.

2557011 is a deficient number, since it is larger than the sum of its proper divisors (865149).

2557011 is a wasteful number, since it uses less digits than its factorization.

2557011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 2557011 is about 1599.0656646930. The cubic root of 2557011 is about 136.7448141862.

The spelling of 2557011 in words is "two million, five hundred fifty-seven thousand, eleven".