6542405003 has 2 divisors, whose sum is σ = 6542405004. Its totient is φ = 6542405002.

The previous prime is 6542404991. The next prime is 6542405021. The reversal of 6542405003 is 3005042456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6542405003 is a prime.

It is not a weakly prime, because it can be changed into another prime (6542405803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271202501 + 3271202502.

It is an arithmetic number, because the mean of its divisors is an integer number (3271202502).

Almost surely, 2^6542405003 is an apocalyptic number.

6542405003 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542405003 is an equidigital number, since it uses as much as digits as its factorization.

6542405003 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 6542405003 is about 80885.1346231185. The cubic root of 6542405003 is about 1870.3051732018.

Adding to 6542405003 its reverse (3005042456), we get a palindrome (9547447459).

The spelling of 6542405003 in words is "six billion, five hundred forty-two million, four hundred five thousand, three".