2553635 has 16 divisors (see below), whose sum is σ = 3576000. Its totient is φ = 1749888.

The previous prime is 2553631. The next prime is 2553637. The reversal of 2553635 is 5363552.

It is a happy number.

It is not a de Polignac number, because 2553635 - 2² = 2553631 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 5² + 5² + 3⁷ + 6⁴ + 3¹² + 5⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2553598 and 2553607.

It is not an unprimeable number, because it can be changed into a prime (2553631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971 + ... + 2459.

It is an arithmetic number, because the mean of its divisors is an integer number (223500).

2^2553635 is an apocalyptic number.

2553635 is a deficient number, since it is larger than the sum of its proper divisors (1022365).

2553635 is an equidigital number, since it uses as much as digits as its factorization.

2553635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1501 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 2553635 is about 1598.0096995951. The cubic root of 2553635 is about 136.6846066740.

The spelling of 2553635 in words is "two million, five hundred fifty-three thousand, six hundred thirty-five".