6730531 has 2 divisors, whose sum is σ = 6730532. Its totient is φ = 6730530.

The previous prime is 6730501. The next prime is 6730547. The reversal of 6730531 is 1350376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6730531 - 2¹⁵ = 6697763 is a prime.

It is a super-2 number, since 2×6730531² = 90600095083922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6730496 and 6730505.

It is not a weakly prime, because it can be changed into another prime (6730501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3365265 + 3365266.

It is an arithmetic number, because the mean of its divisors is an integer number (3365266).

Almost surely, 2^6730531 is an apocalyptic number.

6730531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6730531 is an equidigital number, since it uses as much as digits as its factorization.

6730531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 6730531 is about 2594.3266949249. The cubic root of 6730531 is about 188.8062832314.

The spelling of 6730531 in words is "six million, seven hundred thirty thousand, five hundred thirty-one".