1051393 has 12 divisors (see below), whose sum is σ = 1254000. Its totient is φ = 878472.

The previous prime is 1051373. The next prime is 1051397. The reversal of 1051393 is 3931501.

It is not a de Polignac number, because 1051393 - 2¹³ = 1043201 is a prime.

It is a super-2 number, since 2×1051393² = 2210854480898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1858 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (104500).

2^1051393 is an apocalyptic number.

It is an amenable number.

1051393 is a deficient number, since it is larger than the sum of its proper divisors (202607).

1051393 is an equidigital number, since it uses as much as digits as its factorization.

1051393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 1051393 is about 1025.3745657076. The cubic root of 1051393 is about 101.6845631250.

Adding to 1051393 its reverse (3931501), we get a palindrome (4982894).

It can be divided in two parts, 1051 and 393, that added together give a square (1444 = 38²).

The spelling of 1051393 in words is "one million, fifty-one thousand, three hundred ninety-three".