2553340 has 24 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 997248.

The previous prime is 2553337. The next prime is 2553347. The reversal of 2553340 is 433552.

2553340 = T₇₉ + T₈₀ + ... + T₂₅₀.

It is a d-powerful number, because it can be written as 2⁵ + 5⁵ + 5⁹ + 3⁴ + 3¹² + 4⁸ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625 + ... + 2344.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

2^2553340 is an apocalyptic number.

2553340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553340 is an abundant number, since it is smaller than the sum of its proper divisors (2935220).

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

2553340 is a wasteful number, since it uses less digits than its factorization.

2553340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2553340 is about 1597.9173946109. The cubic root of 2553340 is about 136.6793431298.

Adding to 2553340 its reverse (433552), we get a palindrome (2986892).

The spelling of 2553340 in words is "two million, five hundred fifty-three thousand, three hundred forty".