2557036 has 6 divisors (see below), whose sum is σ = 4474820. Its totient is φ = 1278516.

The previous prime is 2557013. The next prime is 2557063. The reversal of 2557036 is 6307552.

It is a d-powerful number, because it can be written as 2²¹ + 5³ + 5⁵ + 7⁶ + 0 + 3¹⁰ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2556995 and 2557013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319626 + ... + 319633.

2^2557036 is an apocalyptic number.

It is an amenable number.

2557036 is a deficient number, since it is larger than the sum of its proper divisors (1917784).

2557036 is a wasteful number, since it uses less digits than its factorization.

2557036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639263 (or 639261 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2557036 is about 1599.0734817387. The cubic root of 2557036 is about 136.7452598379.

The spelling of 2557036 in words is "two million, five hundred fifty-seven thousand, thirty-six".