1051392017 has 4 divisors (see below), whose sum is σ = 1132268340. Its totient is φ = 970515696.

The previous prime is 1051391989. The next prime is 1051392029. The reversal of 1051392017 is 7102931501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7102931501 = 67 ⋅106013903.

It can be written as a sum of positive squares in 2 ways, for example, as 584140561 + 467251456 = 24169^2 + 21616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051392017 is a prime.

It is a super-2 number, since 2×1051392017² = 2210850346822656578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051392317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40438142 + ... + 40438167.

It is an arithmetic number, because the mean of its divisors is an integer number (283067085).

Almost surely, 2^1051392017 is an apocalyptic number.

It is an amenable number.

1051392017 is a deficient number, since it is larger than the sum of its proper divisors (80876323).

1051392017 is an equidigital number, since it uses as much as digits as its factorization.

1051392017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80876322.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1051392017 is about 32425.1756664478. The cubic root of 1051392017 is about 1016.8453143497.

The spelling of 1051392017 in words is "one billion, fifty-one million, three hundred ninety-two thousand, seventeen".