2571393 has 16 divisors (see below), whose sum is σ = 3799296. Its totient is φ = 1533840.

The previous prime is 2571337. The next prime is 2571409. The reversal of 2571393 is 3931752.

It is not a de Polignac number, because 2571393 - 2⁶ = 2571329 is a prime.

It is a super-2 number, since 2×2571393² = 13224123920898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2571393.

It is not an unprimeable number, because it can be changed into a prime (2571313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (237456).

2^2571393 is an apocalyptic number.

It is an amenable number.

2571393 is a deficient number, since it is larger than the sum of its proper divisors (1227903).

2571393 is a wasteful number, since it uses less digits than its factorization.

2571393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244.

The product of its digits is 5670, while the sum is 30.

The square root of 2571393 is about 1603.5563600946. The cubic root of 2571393 is about 137.0007103876. Note that the first 3 decimals are identical.

The spelling of 2571393 in words is "two million, five hundred seventy-one thousand, three hundred ninety-three".