1345212503 has 2 divisors, whose sum is σ = 1345212504. Its totient is φ = 1345212502.

The previous prime is 1345212439. The next prime is 1345212511. The reversal of 1345212503 is 3052125431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3052125431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345212503 - 2⁶ = 1345212439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345212563) 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, 672606251 + 672606252.

It is an arithmetic number, because the mean of its divisors is an integer number (672606252).

Almost surely, 2^1345212503 is an apocalyptic number.

1345212503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345212503 is an equidigital number, since it uses as much as digits as its factorization.

1345212503 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1345212503 is about 36677.1386970140. The cubic root of 1345212503 is about 1103.9014362642.

Adding to 1345212503 its reverse (3052125431), we get a palindrome (4397337934).

The spelling of 1345212503 in words is "one billion, three hundred forty-five million, two hundred twelve thousand, five hundred three".