1027320493 has 4 divisors (see below), whose sum is σ = 1028383840. Its totient is φ = 1026257148.

The previous prime is 1027320487. The next prime is 1027320509. The reversal of 1027320493 is 3940237201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1027320493 - 2¹³ = 1027312301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530223 + ... + 532156.

It is an arithmetic number, because the mean of its divisors is an integer number (257095960).

Almost surely, 2^1027320493 is an apocalyptic number.

It is an amenable number.

1027320493 is a deficient number, since it is larger than the sum of its proper divisors (1063347).

1027320493 is an equidigital number, since it uses as much as digits as its factorization.

1027320493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063346.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1027320493 is about 32051.8407115722. The cubic root of 1027320493 is about 1009.0251329341.

Adding to 1027320493 its reverse (3940237201), we get a palindrome (4967557694).

The spelling of 1027320493 in words is "one billion, twenty-seven million, three hundred twenty thousand, four hundred ninety-three".