1057451839 has 2 divisors, whose sum is σ = 1057451840. Its totient is φ = 1057451838.

The previous prime is 1057451831. The next prime is 1057451851. The reversal of 1057451839 is 9381547501.

It is a weak prime.

It is an emirp because it is prime and its reverse (9381547501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057451839 - 2³ = 1057451831 is a prime.

It is a super-2 number, since 2×1057451839² = 2236408783608963842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057451795 and 1057451804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057451831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528725919 + 528725920.

It is an arithmetic number, because the mean of its divisors is an integer number (528725920).

Almost surely, 2^1057451839 is an apocalyptic number.

1057451839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057451839 is an equidigital number, since it uses as much as digits as its factorization.

1057451839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1057451839 is about 32518.4845741618. The cubic root of 1057451839 is about 1018.7951424462.

It can be divided in two parts, 105745 and 1839, that added together give a square (107584 = 328²).

The spelling of 1057451839 in words is "one billion, fifty-seven million, four hundred fifty-one thousand, eight hundred thirty-nine".