4256758576525 has 96 divisors (see below), whose sum is σ = 6880550116608. Its totient is φ = 2535180595200.

The previous prime is 4256758576523. The next prime is 4256758576571. The reversal of 4256758576525 is 5256758576524.

It is a happy number.

It is not a de Polignac number, because 4256758576525 - 2¹ = 4256758576523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256758576523) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 158283330 + ... + 158310220.

It is an arithmetic number, because the mean of its divisors is an integer number (71672397048).

Almost surely, 2^{4256758576525} is an apocalyptic number.

It is an amenable number.

4256758576525 is a deficient number, since it is larger than the sum of its proper divisors (2623791540083).

4256758576525 is a wasteful number, since it uses less digits than its factorization.

4256758576525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031 (or 31026 counting only the distinct ones).

The product of its digits is 705600000, while the sum is 67.

Subtracting 4256758576525 from its reverse (5256758576524), we obtain a palindrome (999999999999).

The spelling of 4256758576525 in words is "four trillion, two hundred fifty-six billion, seven hundred fifty-eight million, five hundred seventy-six thousand, five hundred twenty-five".