1006631471 has 2 divisors, whose sum is σ = 1006631472. Its totient is φ = 1006631470.

The previous prime is 1006631449. The next prime is 1006631513. The reversal of 1006631471 is 1741366001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1006631471 is a prime.

It is a super-3 number, since 3×1006631471³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006631401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503315735 + 503315736.

It is an arithmetic number, because the mean of its divisors is an integer number (503315736).

Almost surely, 2^1006631471 is an apocalyptic number.

1006631471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006631471 is an equidigital number, since it uses as much as digits as its factorization.

1006631471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1006631471 is about 31727.4561066594. The cubic root of 1006631471 is about 1002.2056219884.

Adding to 1006631471 its reverse (1741366001), we get a palindrome (2747997472).

The spelling of 1006631471 in words is "one billion, six million, six hundred thirty-one thousand, four hundred seventy-one".