1055251717 has 6 divisors (see below), whose sum is σ = 1142669202. Its totient is φ = 974078352.

The previous prime is 1055251699. The next prime is 1055251741. The reversal of 1055251717 is 7171525501.

It can be written as a sum of positive squares in 3 ways, for example, as 3481956 + 1051769761 = 1866^2 + 32431^2 .

It is not a de Polignac number, because 1055251717 - 2¹¹ = 1055249669 is a prime.

It is a super-2 number, since 2×1055251717² = 2227112372462896178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055251817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3121878 + ... + 3122215.

It is an arithmetic number, because the mean of its divisors is an integer number (190444867).

Almost surely, 2^1055251717 is an apocalyptic number.

It is an amenable number.

1055251717 is a deficient number, since it is larger than the sum of its proper divisors (87417485).

1055251717 is an equidigital number, since it uses as much as digits as its factorization.

1055251717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244119 (or 6244106 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 34.

The square root of 1055251717 is about 32484.6381694486. The cubic root of 1055251717 is about 1018.0880874135.

The spelling of 1055251717 in words is "one billion, fifty-five million, two hundred fifty-one thousand, seven hundred seventeen".