2573140 has 12 divisors (see below), whose sum is σ = 5403636. Its totient is φ = 1029248.

The previous prime is 2573107. The next prime is 2573143. The reversal of 2573140 is 413752.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 1674436 = 948^2 + 1294^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64309 + ... + 64348.

It is an arithmetic number, because the mean of its divisors is an integer number (450303).

2^2573140 is an apocalyptic number.

2573140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573140 is an abundant number, since it is smaller than the sum of its proper divisors (2830496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2573140 is a wasteful number, since it uses less digits than its factorization.

2573140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128666 (or 128664 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2573140 is about 1604.1009943267. The cubic root of 2573140 is about 137.0317293799.

Adding to 2573140 its reverse (413752), we get a palindrome (2986892).

The spelling of 2573140 in words is "two million, five hundred seventy-three thousand, one hundred forty".