1345532341 has 2 divisors, whose sum is σ = 1345532342. Its totient is φ = 1345532340.

The previous prime is 1345532333. The next prime is 1345532381. The reversal of 1345532341 is 1432355431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315512900 + 30019441 = 36270^2 + 5479^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345532341 - 2³ = 1345532333 is a prime.

It is a super-3 number, since 3×1345532341³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345532381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672766170 + 672766171.

It is an arithmetic number, because the mean of its divisors is an integer number (672766171).

Almost surely, 2^1345532341 is an apocalyptic number.

It is an amenable number.

1345532341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345532341 is an equidigital number, since it uses as much as digits as its factorization.

1345532341 is an evil number, because the sum of its binary digits is even.

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

The square root of 1345532341 is about 36681.4986198765. The cubic root of 1345532341 is about 1103.9889172752.

Adding to 1345532341 its reverse (1432355431), we get a palindrome (2777887772).

It can be divided in two parts, 13455 and 32341, that added together give a square (45796 = 214²).

The spelling of 1345532341 in words is "one billion, three hundred forty-five million, five hundred thirty-two thousand, three hundred forty-one".