1345225603 has 2 divisors, whose sum is σ = 1345225604. Its totient is φ = 1345225602.

The previous prime is 1345225579. The next prime is 1345225627. The reversal of 1345225603 is 3065225431.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1345225579) and next prime (1345225627).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345225603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345225303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672612801 + 672612802.

It is an arithmetic number, because the mean of its divisors is an integer number (672612802).

Almost surely, 2^1345225603 is an apocalyptic number.

1345225603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345225603 is an equidigital number, since it uses as much as digits as its factorization.

1345225603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1345225603 is about 36677.3172819387. The cubic root of 1345225603 is about 1103.9050196044.

The spelling of 1345225603 in words is "one billion, three hundred forty-five million, two hundred twenty-five thousand, six hundred three".