2657553 has 8 divisors (see below), whose sum is σ = 3551328. Its totient is φ = 1767744.

The previous prime is 2657533. The next prime is 2657561. The reversal of 2657553 is 3557562.

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

It is not a de Polignac number, because 2657553 - 2¹⁰ = 2656529 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁷ + 5 + 7⁶ + 5⁷ + 5⁷ + 3⁸ .

2657553 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657513) 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, 1401 + ... + 2697.

It is an arithmetic number, because the mean of its divisors is an integer number (443916).

2^2657553 is an apocalyptic number.

It is an amenable number.

2657553 is a deficient number, since it is larger than the sum of its proper divisors (893775).

2657553 is a wasteful number, since it uses less digits than its factorization.

2657553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its digits is 31500, while the sum is 33.

The square root of 2657553 is about 1630.2002944424. The cubic root of 2657553 is about 138.5140979710.

Subtracting 2657553 from its reverse (3557562), we obtain a palindrome (900009).

The spelling of 2657553 in words is "two million, six hundred fifty-seven thousand, five hundred fifty-three".