6634531 has 2 divisors, whose sum is σ = 6634532. Its totient is φ = 6634530.

The previous prime is 6634517. The next prime is 6634547. The reversal of 6634531 is 1354366.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6634531 is a prime.

It is a super-2 number, since 2×6634531² = 88034003179922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6634531.

It is not a weakly prime, because it can be changed into another prime (6634561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317265 + 3317266.

It is an arithmetic number, because the mean of its divisors is an integer number (3317266).

Almost surely, 2^6634531 is an apocalyptic number.

6634531 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634531 is an equidigital number, since it uses as much as digits as its factorization.

6634531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 6634531 is about 2575.7583349375. The cubic root of 6634531 is about 187.9043103649.

Adding to 6634531 its reverse (1354366), we get a palindrome (7988897).

The spelling of 6634531 in words is "six million, six hundred thirty-four thousand, five hundred thirty-one".