6825038057 has 4 divisors (see below), whose sum is σ = 6829445700. Its totient is φ = 6820630416.

The previous prime is 6825038053. The next prime is 6825038083. The reversal of 6825038057 is 7508305286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5216306176 + 1608731881 = 72224^2 + 40109^2 .

It is a cyclic number.

It is not a de Polignac number, because 6825038057 - 2² = 6825038053 is a prime.

It is a super-2 number, since 2×6825038057² = 93162288958996670498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6825037999 and 6825038017.

It is not an unprimeable number, because it can be changed into a prime (6825038053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201498 + ... + 2204595.

It is an arithmetic number, because the mean of its divisors is an integer number (1707361425).

Almost surely, 2^6825038057 is an apocalyptic number.

It is an amenable number.

6825038057 is a deficient number, since it is larger than the sum of its proper divisors (4407643).

6825038057 is a wasteful number, since it uses less digits than its factorization.

6825038057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407642.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 6825038057 is about 82613.7885404126. The cubic root of 6825038057 is about 1896.8588964693.

The spelling of 6825038057 in words is "six billion, eight hundred twenty-five million, thirty-eight thousand, fifty-seven".