2725528725 has 36 divisors (see below), whose sum is σ = 4891865472. Its totient is φ = 1450596000.

The previous prime is 2725528703. The next prime is 2725528781. The reversal of 2725528725 is 5278255272.

2725528725 is a `hidden beast` number, since 2 + 72 + 552 + 8 + 7 + 25 = 666.

It is not a de Polignac number, because 2725528725 - 2⁵ = 2725528693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 98140 + ... + 122810.

It is an arithmetic number, because the mean of its divisors is an integer number (135885152).

Almost surely, 2^2725528725 is an apocalyptic number.

2725528725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2725528725 is a deficient number, since it is larger than the sum of its proper divisors (2166336747).

2725528725 is a wasteful number, since it uses less digits than its factorization.

2725528725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178 (or 25170 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 2725528725 is about 52206.5965659513. The cubic root of 2725528725 is about 1396.8515514884.

The spelling of 2725528725 in words is "two billion, seven hundred twenty-five million, five hundred twenty-eight thousand, seven hundred twenty-five".