5256556525 has 12 divisors (see below), whose sum is σ = 7110687744. Its totient is φ = 3822950000.

The previous prime is 5256556523. The next prime is 5256556573.

It is a happy number.

5256556525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5256556525 - 2¹ = 5256556523 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 (5256556523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9557101 + ... + 9557650.

It is an arithmetic number, because the mean of its divisors is an integer number (592557312).

Almost surely, 2^5256556525 is an apocalyptic number.

5256556525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5256556525 is a deficient number, since it is larger than the sum of its proper divisors (1854131219).

5256556525 is a wasteful number, since it uses less digits than its factorization.

5256556525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19114772 (or 19114767 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 46.

The square root of 5256556525 is about 72502.1139346985. The cubic root of 5256556525 is about 1738.7365343389.

The spelling of 5256556525 in words is "five billion, two hundred fifty-six million, five hundred fifty-six thousand, five hundred twenty-five".