2553620 has 12 divisors (see below), whose sum is σ = 5362644. Its totient is φ = 1021440.

The previous prime is 2553611. The next prime is 2553631. The reversal of 2553620 is 263552.

It is a happy number.

2553620 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 925444 + 1628176 = 962^2 + 1276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63821 + ... + 63860.

It is an arithmetic number, because the mean of its divisors is an integer number (446887).

2^2553620 is an apocalyptic number.

2553620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553620 is an abundant number, since it is smaller than the sum of its proper divisors (2809024).

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

2553620 is a wasteful number, since it uses less digits than its factorization.

2553620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127690 (or 127688 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2553620 is about 1598.0050062500. The cubic root of 2553620 is about 136.6843390459.

The spelling of 2553620 in words is "two million, five hundred fifty-three thousand, six hundred twenty".