1403240053 has 2 divisors, whose sum is σ = 1403240054. Its totient is φ = 1403240052.

The previous prime is 1403240021. The next prime is 1403240063. The reversal of 1403240053 is 3500423041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1367742289 + 35497764 = 36983^2 + 5958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403240053 - 2⁵ = 1403240021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403240063) 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 as a sum of consecutive naturals, namely, 701620026 + 701620027.

It is an arithmetic number, because the mean of its divisors is an integer number (701620027).

Almost surely, 2^1403240053 is an apocalyptic number.

It is an amenable number.

1403240053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403240053 is an equidigital number, since it uses as much as digits as its factorization.

1403240053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1403240053 is about 37459.8458752836. The cubic root of 1403240053 is about 1119.5512799095.

Adding to 1403240053 its reverse (3500423041), we get a palindrome (4903663094).

The spelling of 1403240053 in words is "one billion, four hundred three million, two hundred forty thousand, fifty-three".