1047563831 has 2 divisors, whose sum is σ = 1047563832. Its totient is φ = 1047563830.

The previous prime is 1047563813. The next prime is 1047563849. The reversal of 1047563831 is 1383657401.

Together with previous prime (1047563813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1047563813) and next prime (1047563849).

It is a cyclic number.

It is not a de Polignac number, because 1047563831 - 2⁶ = 1047563767 is a prime.

It is a super-2 number, since 2×1047563831² = 2194779960038793122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047563861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523781915 + 523781916.

It is an arithmetic number, because the mean of its divisors is an integer number (523781916).

Almost surely, 2^1047563831 is an apocalyptic number.

1047563831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047563831 is an equidigital number, since it uses as much as digits as its factorization.

1047563831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1047563831 is about 32366.0907586937. The cubic root of 1047563831 is about 1015.6096803824.

The spelling of 1047563831 in words is "one billion, forty-seven million, five hundred sixty-three thousand, eight hundred thirty-one".