1051745017 has 16 divisors (see below), whose sum is σ = 1096520400. Its totient is φ = 1007942400.

The previous prime is 1051744999. The next prime is 1051745021. The reversal of 1051745017 is 7105471501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 849081321 + 202663696 = 29139^2 + 14236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051745017 - 2¹¹ = 1051742969 is a prime.

It is a super-2 number, since 2×1051745017² = 2212335161568660578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051745017.

It is not an unprimeable number, because it can be changed into a prime (1051745047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855159 + ... + 856387.

It is an arithmetic number, because the mean of its divisors is an integer number (68532525).

Almost surely, 2^1051745017 is an apocalyptic number.

It is an amenable number.

1051745017 is a deficient number, since it is larger than the sum of its proper divisors (44775383).

1051745017 is a wasteful number, since it uses less digits than its factorization.

1051745017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 1051745017 is about 32430.6185109073. The cubic root of 1051745017 is about 1016.9591019843.

The spelling of 1051745017 in words is "one billion, fifty-one million, seven hundred forty-five thousand, seventeen".