2570043 has 32 divisors (see below), whose sum is σ = 4340736. Its totient is φ = 1317888.

The previous prime is 2570017. The next prime is 2570047. The reversal of 2570043 is 3400752.

It is a happy number.

It is not a de Polignac number, because 2570043 - 2⁵ = 2570011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2570047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8055 + ... + 8367.

It is an arithmetic number, because the mean of its divisors is an integer number (135648).

2^2570043 is an apocalyptic number.

2570043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2570043 is a deficient number, since it is larger than the sum of its proper divisors (1770693).

2570043 is a wasteful number, since it uses less digits than its factorization.

2570043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2570043 is about 1603.1353654636. The cubic root of 2570043 is about 136.9767307346.

Adding to 2570043 its reverse (3400752), we get a palindrome (5970795).

The spelling of 2570043 in words is "two million, five hundred seventy thousand, forty-three".