1421352503 has 2 divisors, whose sum is σ = 1421352504. Its totient is φ = 1421352502.

The previous prime is 1421352481. The next prime is 1421352523. The reversal of 1421352503 is 3052531241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421352503 - 2¹⁰ = 1421351479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421352523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710676251 + 710676252.

It is an arithmetic number, because the mean of its divisors is an integer number (710676252).

Almost surely, 2^1421352503 is an apocalyptic number.

1421352503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421352503 is an equidigital number, since it uses as much as digits as its factorization.

1421352503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1421352503 is about 37700.8289431413. The cubic root of 1421352503 is about 1124.3476060754.

Adding to 1421352503 its reverse (3052531241), we get a palindrome (4473883744).

The spelling of 1421352503 in words is "one billion, four hundred twenty-one million, three hundred fifty-two thousand, five hundred three".