6813276525 has 72 divisors (see below), whose sum is σ = 13805928864. Its totient is φ = 3303374400.

The previous prime is 6813276523. The next prime is 6813276551. The reversal of 6813276525 is 5256723186.

It is not a de Polignac number, because 6813276525 - 2¹ = 6813276523 is a prime.

It is a super-2 number, since 2×6813276525² = 92841474012232151250, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813276523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15847 + ... + 117803.

It is an arithmetic number, because the mean of its divisors is an integer number (191749012).

Almost surely, 2^6813276525 is an apocalyptic number.

It is an amenable number.

6813276525 is an abundant number, since it is smaller than the sum of its proper divisors (6992652339).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6813276525 is a wasteful number, since it uses less digits than its factorization.

6813276525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101993 (or 101976 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 6813276525 is about 82542.5740148682. The cubic root of 6813276525 is about 1895.7686561789.

The spelling of 6813276525 in words is "six billion, eight hundred thirteen million, two hundred seventy-six thousand, five hundred twenty-five".