1057319 has 4 divisors (see below), whose sum is σ = 1059696. Its totient is φ = 1054944.

The previous prime is 1057307. The next prime is 1057361. The reversal of 1057319 is 9137501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057319 is a prime.

It is a super-2 number, since 2×1057319² = 2235846935522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057019) 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 3 ways as a sum of consecutive naturals, for example, 299 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (264924).

2^1057319 is an apocalyptic number.

1057319 is a deficient number, since it is larger than the sum of its proper divisors (2377).

1057319 is an equidigital number, since it uses as much as digits as its factorization.

1057319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1057319 is about 1028.2601810826. The cubic root of 1057319 is about 101.8752479701.

The spelling of 1057319 in words is "one million, fifty-seven thousand, three hundred nineteen".