2621057 has 8 divisors (see below), whose sum is σ = 2769984. Its totient is φ = 2475088.

The previous prime is 2621053. The next prime is 2621063. The reversal of 2621057 is 7501262.

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 2621057 - 2² = 2621053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2621053) 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 7 ways as a sum of consecutive naturals, for example, 1223 + ... + 2595.

It is an arithmetic number, because the mean of its divisors is an integer number (346248).

2^2621057 is an apocalyptic number.

It is an amenable number.

2621057 is a deficient number, since it is larger than the sum of its proper divisors (148927).

2621057 is a wasteful number, since it uses less digits than its factorization.

2621057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2621057 is about 1618.9678810897. The cubic root of 2621057 is about 137.8771047594.

The spelling of 2621057 in words is "two million, six hundred twenty-one thousand, fifty-seven".