1051751531 has 2 divisors, whose sum is σ = 1051751532. Its totient is φ = 1051751530.

The previous prime is 1051751513. The next prime is 1051751581. The reversal of 1051751531 is 1351571501.

Together with previous prime (1051751513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051751531 - 2¹⁴ = 1051735147 is a prime.

It is a super-2 number, since 2×1051751531² = 2212362565921687922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051751494 and 1051751503.

It is not a weakly prime, because it can be changed into another prime (1051751501) 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, 525875765 + 525875766.

It is an arithmetic number, because the mean of its divisors is an integer number (525875766).

Almost surely, 2^1051751531 is an apocalyptic number.

1051751531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051751531 is an equidigital number, since it uses as much as digits as its factorization.

1051751531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2625, while the sum is 29.

The square root of 1051751531 is about 32430.7189405354. The cubic root of 1051751531 is about 1016.9612014976.

The spelling of 1051751531 in words is "one billion, fifty-one million, seven hundred fifty-one thousand, five hundred thirty-one".