1066503631 has 2 divisors, whose sum is σ = 1066503632. Its totient is φ = 1066503630.

The previous prime is 1066503617. The next prime is 1066503637. The reversal of 1066503631 is 1363056601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066503631 - 2¹³ = 1066495439 is a prime.

It is a super-2 number, since 2×1066503631² = 2274859989872368322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066503593 and 1066503602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066503637) 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, 533251815 + 533251816.

It is an arithmetic number, because the mean of its divisors is an integer number (533251816).

Almost surely, 2^1066503631 is an apocalyptic number.

1066503631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066503631 is an equidigital number, since it uses as much as digits as its factorization.

1066503631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1066503631 is about 32657.3671780197. The cubic root of 1066503631 is about 1021.6938506351.

The spelling of 1066503631 in words is "one billion, sixty-six million, five hundred three thousand, six hundred thirty-one".