2557351652 has 24 divisors (see below), whose sum is σ = 4499131392. Its totient is φ = 1271900000.

The previous prime is 2557351651. The next prime is 2557351673. The reversal of 2557351652 is 2561537552.

It is a happy 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, 1154498 + ... + 1156710.

It is an arithmetic number, because the mean of its divisors is an integer number (187463808).

Almost surely, 2^2557351652 is an apocalyptic number.

It is an amenable number.

2557351652 is a deficient number, since it is larger than the sum of its proper divisors (1941779740).

2557351652 is a wasteful number, since it uses less digits than its factorization.

2557351652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619 (or 3617 counting only the distinct ones).

The product of its digits is 315000, while the sum is 41.

The square root of 2557351652 is about 50570.2645039553. The cubic root of 2557351652 is about 1367.5088642258.

The spelling of 2557351652 in words is "two billion, five hundred fifty-seven million, three hundred fifty-one thousand, six hundred fifty-two".