1055612617 has 2 divisors, whose sum is σ = 1055612618. Its totient is φ = 1055612616.

The previous prime is 1055612599. The next prime is 1055612639. The reversal of 1055612617 is 7162165501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731756601 + 323856016 = 27051^2 + 17996^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055612617 - 2²⁷ = 921394889 is a prime.

It is a super-2 number, since 2×1055612617² = 2228635994339177378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055612687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527806308 + 527806309.

It is an arithmetic number, because the mean of its divisors is an integer number (527806309).

Almost surely, 2^1055612617 is an apocalyptic number.

It is an amenable number.

1055612617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055612617 is an equidigital number, since it uses as much as digits as its factorization.

1055612617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1055612617 is about 32490.1926279300. The cubic root of 1055612617 is about 1018.2041374850.

The spelling of 1055612617 in words is "one billion, fifty-five million, six hundred twelve thousand, six hundred seventeen".