1402320053 has 4 divisors (see below), whose sum is σ = 1408338828. Its totient is φ = 1396301280.

The previous prime is 1402320043. The next prime is 1402320067. The reversal of 1402320053 is 3500232041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 664763089 + 737556964 = 25783^2 + 27158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402320053 - 2⁴ = 1402320037 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 (1402320013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3009038 + ... + 3009503.

It is an arithmetic number, because the mean of its divisors is an integer number (352084707).

Almost surely, 2^1402320053 is an apocalyptic number.

It is an amenable number.

1402320053 is a deficient number, since it is larger than the sum of its proper divisors (6018775).

1402320053 is an equidigital number, since it uses as much as digits as its factorization.

1402320053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018774.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1402320053 is about 37447.5640462768. The cubic root of 1402320053 is about 1119.3065576201.

Adding to 1402320053 its reverse (3500232041), we get a palindrome (4902552094).

The spelling of 1402320053 in words is "one billion, four hundred two million, three hundred twenty thousand, fifty-three".