1403013421 has 2 divisors, whose sum is σ = 1403013422. Its totient is φ = 1403013420.

The previous prime is 1403013389. The next prime is 1403013427. The reversal of 1403013421 is 1243103041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967832100 + 435181321 = 31110^2 + 20861^2 .

It is an emirp because it is prime and its reverse (1243103041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1403013421 - 2⁵ = 1403013389 is a prime.

It is a super-2 number, since 2×1403013421² = 3936893319012246482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1403013427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701506710 + 701506711.

It is an arithmetic number, because the mean of its divisors is an integer number (701506711).

Almost surely, 2^1403013421 is an apocalyptic number.

It is an amenable number.

1403013421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403013421 is an equidigital number, since it uses as much as digits as its factorization.

1403013421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1403013421 is about 37456.8207540362. The cubic root of 1403013421 is about 1119.4910051651.

Adding to 1403013421 its reverse (1243103041), we get a palindrome (2646116462).

The spelling of 1403013421 in words is "one billion, four hundred three million, thirteen thousand, four hundred twenty-one".