1345240333 has 2 divisors, whose sum is σ = 1345240334. Its totient is φ = 1345240332.

The previous prime is 1345240249. The next prime is 1345240357. The reversal of 1345240333 is 3330425431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043419204 + 301821129 = 32302^2 + 17373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345240333 - 2²¹ = 1343143181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345240433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672620166 + 672620167.

It is an arithmetic number, because the mean of its divisors is an integer number (672620167).

Almost surely, 2^1345240333 is an apocalyptic number.

It is an amenable number.

1345240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345240333 is an equidigital number, since it uses as much as digits as its factorization.

1345240333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 1345240333 is about 36677.5180866972. The cubic root of 1345240333 is about 1103.9090487827.

Adding to 1345240333 its reverse (3330425431), we get a palindrome (4675665764).

The spelling of 1345240333 in words is "one billion, three hundred forty-five million, two hundred forty thousand, three hundred thirty-three".