1051163257 has 16 divisors (see below), whose sum is σ = 1090584000. Its totient is φ = 1012648000.

The previous prime is 1051163249. The next prime is 1051163279. The reversal of 1051163257 is 7523611501.

It is a cyclic number.

It is not a de Polignac number, because 1051163257 - 2³ = 1051163249 is a prime.

It is a super-2 number, since 2×1051163257² = 2209888385733696098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051163287) 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, 700494 + ... + 701992.

It is an arithmetic number, because the mean of its divisors is an integer number (68161500).

Almost surely, 2^1051163257 is an apocalyptic number.

It is an amenable number.

1051163257 is a deficient number, since it is larger than the sum of its proper divisors (39420743).

1051163257 is a wasteful number, since it uses less digits than its factorization.

1051163257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1051163257 is about 32421.6479686027. The cubic root of 1051163257 is about 1016.7715612038.

Adding to 1051163257 its reverse (7523611501), we get a palindrome (8574774758).

The spelling of 1051163257 in words is "one billion, fifty-one million, one hundred sixty-three thousand, two hundred fifty-seven".