7528344272825 has 6 divisors (see below), whose sum is σ = 9335146898334. Its totient is φ = 6022675418240.

The previous prime is 7528344272821. The next prime is 7528344272851. The reversal of 7528344272825 is 5282724438257.

It can be written as a sum of positive squares in 3 ways, for example, as 3796038544 + 7524548234281 = 61612^2 + 2743091^2 .

It is not a de Polignac number, because 7528344272825 - 2² = 7528344272821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7528344272821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150566885432 + ... + 150566885481.

It is an arithmetic number, because the mean of its divisors is an integer number (1555857816389).

Almost surely, 2^{7528344272825} is an apocalyptic number.

It is an amenable number.

7528344272825 is a deficient number, since it is larger than the sum of its proper divisors (1806802625509).

7528344272825 is a wasteful number, since it uses less digits than its factorization.

7528344272825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301133770923 (or 301133770918 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 59.

The spelling of 7528344272825 in words is "seven trillion, five hundred twenty-eight billion, three hundred forty-four million, two hundred seventy-two thousand, eight hundred twenty-five".