2553685 has 8 divisors (see below), whose sum is σ = 3139416. Its totient is φ = 1992960.

The previous prime is 2553671. The next prime is 2553701. The reversal of 2553685 is 5863552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 2436721 = 342^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2553685 - 2¹³ = 2545493 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2553685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6024 + ... + 6433.

It is an arithmetic number, because the mean of its divisors is an integer number (392427).

2^2553685 is an apocalyptic number.

It is an amenable number.

2553685 is a deficient number, since it is larger than the sum of its proper divisors (585731).

2553685 is a wasteful number, since it uses less digits than its factorization.

2553685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503.

The product of its digits is 36000, while the sum is 34.

The square root of 2553685 is about 1598.0253439792. The cubic root of 2553685 is about 136.6854987599.

The spelling of 2553685 in words is "two million, five hundred fifty-three thousand, six hundred eighty-five".