2557351653 has 8 divisors (see below), whose sum is σ = 3410070528. Its totient is φ = 1704766944.

The previous prime is 2557351651. The next prime is 2557351673. The reversal of 2557351653 is 3561537552.

It is a happy number.

2557351653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2557351653 - 2¹ = 2557351651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557351651) 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, 26076 + ... + 76122.

It is an arithmetic number, because the mean of its divisors is an integer number (426258816).

Almost surely, 2^2557351653 is an apocalyptic number.

It is an amenable number.

2557351653 is a deficient number, since it is larger than the sum of its proper divisors (852718875).

2557351653 is a wasteful number, since it uses less digits than its factorization.

2557351653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67083.

The product of its digits is 472500, while the sum is 42.

The square root of 2557351653 is about 50570.2645138425. The cubic root of 2557351653 is about 1367.5088644041.

The spelling of 2557351653 in words is "two billion, five hundred fifty-seven million, three hundred fifty-one thousand, six hundred fifty-three".