6522979 has 2 divisors, whose sum is σ = 6522980. Its totient is φ = 6522978.

The previous prime is 6522953. The next prime is 6523001. The reversal of 6522979 is 9792256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6522979 - 2⁷ = 6522851 is a prime.

It is not a weakly prime, because it can be changed into another prime (6522949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3261489 + 3261490.

It is an arithmetic number, because the mean of its divisors is an integer number (3261490).

Almost surely, 2^6522979 is an apocalyptic number.

6522979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6522979 is an equidigital number, since it uses as much as digits as its factorization.

6522979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 6522979 is about 2554.0123335646. The cubic root of 6522979 is about 186.8452206624.

The spelling of 6522979 in words is "six million, five hundred twenty-two thousand, nine hundred seventy-nine".