1056445487 has 2 divisors, whose sum is σ = 1056445488. Its totient is φ = 1056445486.

The previous prime is 1056445477. The next prime is 1056445567. The reversal of 1056445487 is 7845446501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056445487 - 2¹⁰ = 1056444463 is a prime.

It is a super-2 number, since 2×1056445487² = 2232154134005334338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056445427) 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, 528222743 + 528222744.

It is an arithmetic number, because the mean of its divisors is an integer number (528222744).

Almost surely, 2^1056445487 is an apocalyptic number.

1056445487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056445487 is an equidigital number, since it uses as much as digits as its factorization.

1056445487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 1056445487 is about 32503.0073531666. The cubic root of 1056445487 is about 1018.4718520910.

The spelling of 1056445487 in words is "one billion, fifty-six million, four hundred forty-five thousand, four hundred eighty-seven".