1051634257 has 2 divisors, whose sum is σ = 1051634258. Its totient is φ = 1051634256.

The previous prime is 1051634219. The next prime is 1051634281. The reversal of 1051634257 is 7524361501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016398161 + 35236096 = 31881^2 + 5936^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051634257 - 2¹⁵ = 1051601489 is a prime.

It is a super-2 number, since 2×1051634257² = 2211869220991884098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051634357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525817128 + 525817129.

It is an arithmetic number, because the mean of its divisors is an integer number (525817129).

Almost surely, 2^1051634257 is an apocalyptic number.

It is an amenable number.

1051634257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051634257 is an equidigital number, since it uses as much as digits as its factorization.

1051634257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1051634257 is about 32428.9108204392. The cubic root of 1051634257 is about 1016.9234018407.

Adding to 1051634257 its reverse (7524361501), we get a palindrome (8575995758).

The spelling of 1051634257 in words is "one billion, fifty-one million, six hundred thirty-four thousand, two hundred fifty-seven".