1057098539 has 8 divisors (see below), whose sum is σ = 1279178208. Its totient is φ = 852785280.

The previous prime is 1057098533. The next prime is 1057098563. The reversal of 1057098539 is 9358907501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1057098539 is a prime.

It is a super-2 number, since 2×1057098539² = 2234914642311869042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057098493 and 1057098502.

It is not an unprimeable number, because it can be changed into a prime (1057098533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441472 + ... + 4441709.

It is an arithmetic number, because the mean of its divisors is an integer number (159897276).

Almost surely, 2^1057098539 is an apocalyptic number.

1057098539 is a deficient number, since it is larger than the sum of its proper divisors (222079669).

1057098539 is an equidigital number, since it uses as much as digits as its factorization.

1057098539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883205.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1057098539 is about 32513.0518253824. The cubic root of 1057098539 is about 1018.6816682737.

The spelling of 1057098539 in words is "one billion, fifty-seven million, ninety-eight thousand, five hundred thirty-nine".