1066572631 has 2 divisors, whose sum is σ = 1066572632. Its totient is φ = 1066572630.

The previous prime is 1066572623. The next prime is 1066572679. The reversal of 1066572631 is 1362756601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066572631 - 2³ = 1066572623 is a prime.

It is a super-2 number, since 2×1066572631² = 2275154354396524322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066572691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533286315 + 533286316.

It is an arithmetic number, because the mean of its divisors is an integer number (533286316).

Almost surely, 2^1066572631 is an apocalyptic number.

1066572631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066572631 is an equidigital number, since it uses as much as digits as its factorization.

1066572631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1066572631 is about 32658.4235841230. The cubic root of 1066572631 is about 1021.7158838014.

The spelling of 1066572631 in words is "one billion, sixty-six million, five hundred seventy-two thousand, six hundred thirty-one".