1051253317 has 8 divisors (see below), whose sum is σ = 1059000056. Its totient is φ = 1043520192.

The previous prime is 1051253239. The next prime is 1051253323. The reversal of 1051253317 is 7133521501.

It can be written as a sum of positive squares in 4 ways, for example, as 74753316 + 976500001 = 8646^2 + 31249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051253317 is a prime.

It is a super-2 number, since 2×1051253317² = 2210267073007004978, 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 (1051253377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191503 + ... + 196915.

It is an arithmetic number, because the mean of its divisors is an integer number (132375007).

Almost surely, 2^1051253317 is an apocalyptic number.

It is an amenable number.

1051253317 is a deficient number, since it is larger than the sum of its proper divisors (7746739).

1051253317 is a wasteful number, since it uses less digits than its factorization.

1051253317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1051253317 is about 32423.0368256892. The cubic root of 1051253317 is about 1016.8005981877.

Adding to 1051253317 its reverse (7133521501), we get a palindrome (8184774818).

The spelling of 1051253317 in words is "one billion, fifty-one million, two hundred fifty-three thousand, three hundred seventeen".