1051251379 has 2 divisors, whose sum is σ = 1051251380. Its totient is φ = 1051251378.

The previous prime is 1051251359. The next prime is 1051251391. The reversal of 1051251379 is 9731521501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051251379 - 2⁷ = 1051251251 is a prime.

It is a super-2 number, since 2×1051251379² = 2210258923698803282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051251359) 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, 525625689 + 525625690.

It is an arithmetic number, because the mean of its divisors is an integer number (525625690).

Almost surely, 2^1051251379 is an apocalyptic number.

1051251379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051251379 is an equidigital number, since it uses as much as digits as its factorization.

1051251379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1051251379 is about 32423.0069395175. The cubic root of 1051251379 is about 1016.7999733587.

The spelling of 1051251379 in words is "one billion, fifty-one million, two hundred fifty-one thousand, three hundred seventy-nine".