1072005317 has 4 divisors (see below), whose sum is σ = 1072115616. Its totient is φ = 1071895020.

The previous prime is 1072005313. The next prime is 1072005343. The reversal of 1072005317 is 7135002701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1072005317 - 2² = 1072005313 is a prime.

It is a super-2 number, since 2×1072005317² = 2298390799352540978, 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 (1072005313) 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, 38993 + ... + 60534.

It is an arithmetic number, because the mean of its divisors is an integer number (268028904).

Almost surely, 2^1072005317 is an apocalyptic number.

It is an amenable number.

1072005317 is a deficient number, since it is larger than the sum of its proper divisors (110299).

1072005317 is an equidigital number, since it uses as much as digits as its factorization.

1072005317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110298.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 1072005317 is about 32741.4922842561. The cubic root of 1072005317 is about 1023.4476814388.

The spelling of 1072005317 in words is "one billion, seventy-two million, five thousand, three hundred seventeen".