1057331 has 8 divisors (see below), whose sum is σ = 1214400. Its totient is φ = 910440.

The previous prime is 1057307. The next prime is 1057361. The reversal of 1057331 is 1337501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1057331 - 2¹⁴ = 1040947 is a prime.

It is a super-2 number, since 2×1057331² = 2235897687122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (151800).

2^1057331 is an apocalyptic number.

1057331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1057331 is a deficient number, since it is larger than the sum of its proper divisors (157069).

1057331 is a wasteful number, since it uses less digits than its factorization.

1057331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 1057331 is about 1028.2660161651. The cubic root of 1057331 is about 101.8756333783.

The spelling of 1057331 in words is "one million, fifty-seven thousand, three hundred thirty-one".