1056655477 has 2 divisors, whose sum is σ = 1056655478. Its totient is φ = 1056655476.

The previous prime is 1056655471. The next prime is 1056655511. The reversal of 1056655477 is 7745566501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576432081 + 480223396 = 24009^2 + 21914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056655477 - 2²⁷ = 922437749 is a prime.

It is a super-3 number, since 3×1056655477³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056655471) 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, 528327738 + 528327739.

It is an arithmetic number, because the mean of its divisors is an integer number (528327739).

Almost surely, 2^1056655477 is an apocalyptic number.

It is an amenable number.

1056655477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056655477 is an equidigital number, since it uses as much as digits as its factorization.

1056655477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 1056655477 is about 32506.2375091305. The cubic root of 1056655477 is about 1018.5393282766.

The spelling of 1056655477 in words is "one billion, fifty-six million, six hundred fifty-five thousand, four hundred seventy-seven".