2153568725 has 24 divisors (see below), whose sum is σ = 3329364288. Its totient is φ = 1342483200.

The previous prime is 2153568719. The next prime is 2153568727. The reversal of 2153568725 is 5278653512.

It is not a de Polignac number, because 2153568725 - 2¹² = 2153564629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153568727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557444 + ... + 561293.

It is an arithmetic number, because the mean of its divisors is an integer number (138723512).

Almost surely, 2^2153568725 is an apocalyptic number.

2153568725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153568725 is a deficient number, since it is larger than the sum of its proper divisors (1175795563).

2153568725 is a wasteful number, since it uses less digits than its factorization.

2153568725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118765 (or 1118760 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 2153568725 is about 46406.5590730448. The cubic root of 2153568725 is about 1291.3765976923.

The spelling of 2153568725 in words is "two billion, one hundred fifty-three million, five hundred sixty-eight thousand, seven hundred twenty-five".