1051515019 has 2 divisors, whose sum is σ = 1051515020. Its totient is φ = 1051515018.

The previous prime is 1051514969. The next prime is 1051515029. The reversal of 1051515019 is 9105151501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051515019 - 2²³ = 1043126411 is a prime.

It is a super-2 number, since 2×1051515019² = 2211367670365140722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051515029) 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, 525757509 + 525757510.

It is an arithmetic number, because the mean of its divisors is an integer number (525757510).

Almost surely, 2^1051515019 is an apocalyptic number.

1051515019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051515019 is an equidigital number, since it uses as much as digits as its factorization.

1051515019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 28.

The square root of 1051515019 is about 32427.0723161990. The cubic root of 1051515019 is about 1016.8849662678.

The spelling of 1051515019 in words is "one billion, fifty-one million, five hundred fifteen thousand, nineteen".