1345260523 has 2 divisors, whose sum is σ = 1345260524. Its totient is φ = 1345260522.

The previous prime is 1345260503. The next prime is 1345260551. The reversal of 1345260523 is 3250625431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345260523 - 2⁵ = 1345260491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345260503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672630261 + 672630262.

It is an arithmetic number, because the mean of its divisors is an integer number (672630262).

Almost surely, 2^1345260523 is an apocalyptic number.

1345260523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345260523 is an equidigital number, since it uses as much as digits as its factorization.

1345260523 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 1345260523 is about 36677.7933223906. The cubic root of 1345260523 is about 1103.9145714173.

Adding to 1345260523 its reverse (3250625431), we get a palindrome (4595885954).

The spelling of 1345260523 in words is "one billion, three hundred forty-five million, two hundred sixty thousand, five hundred twenty-three".