1057243519 has 2 divisors, whose sum is σ = 1057243520. Its totient is φ = 1057243518.

The previous prime is 1057243489. The next prime is 1057243529. The reversal of 1057243519 is 9153427501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1057243519 - 2¹⁷ = 1057112447 is a prime.

It is a super-2 number, since 2×1057243519² = 2235527716935006722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057243529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528621759 + 528621760.

It is an arithmetic number, because the mean of its divisors is an integer number (528621760).

Almost surely, 2^1057243519 is an apocalyptic number.

1057243519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057243519 is an equidigital number, since it uses as much as digits as its factorization.

1057243519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1057243519 is about 32515.2813150986. The cubic root of 1057243519 is about 1018.7282365331.

The spelling of 1057243519 in words is "one billion, fifty-seven million, two hundred forty-three thousand, five hundred nineteen".