6930557 has 2 divisors, whose sum is σ = 6930558. Its totient is φ = 6930556.

The previous prime is 6930551. The next prime is 6930563. The reversal of 6930557 is 7550396.

6930557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6930551) and next prime (6930563).

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 1223236 = 2389^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 6930557 - 2⁴ = 6930541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6930551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465278 + 3465279.

It is an arithmetic number, because the mean of its divisors is an integer number (3465279).

Almost surely, 2^6930557 is an apocalyptic number.

It is an amenable number.

6930557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6930557 is an equidigital number, since it uses as much as digits as its factorization.

6930557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 6930557 is about 2632.5951074937. The cubic root of 6930557 is about 190.6584449783.

The spelling of 6930557 in words is "six million, nine hundred thirty thousand, five hundred fifty-seven".