5421342503 has 2 divisors, whose sum is σ = 5421342504. Its totient is φ = 5421342502.

The previous prime is 5421342481. The next prime is 5421342533. The reversal of 5421342503 is 3052431245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5421342503 - 2²⁶ = 5354233639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421342533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710671251 + 2710671252.

It is an arithmetic number, because the mean of its divisors is an integer number (2710671252).

Almost surely, 2^5421342503 is an apocalyptic number.

5421342503 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421342503 is an equidigital number, since it uses as much as digits as its factorization.

5421342503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 5421342503 is about 73629.7664195670. The cubic root of 5421342503 is about 1756.7189326138.

Adding to 5421342503 its reverse (3052431245), we get a palindrome (8473773748).

The spelling of 5421342503 in words is "five billion, four hundred twenty-one million, three hundred forty-two thousand, five hundred three".