745235399 has 2 divisors, whose sum is σ = 745235400. Its totient is φ = 745235398.

The previous prime is 745235371. The next prime is 745235411. The reversal of 745235399 is 993532547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745235399 - 2⁸ = 745235143 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745235369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372617699 + 372617700.

It is an arithmetic number, because the mean of its divisors is an integer number (372617700).

Almost surely, 2^745235399 is an apocalyptic number.

745235399 is a deficient number, since it is larger than the sum of its proper divisors (1).

745235399 is an equidigital number, since it uses as much as digits as its factorization.

745235399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 47.

The square root of 745235399 is about 27298.9999633686. Note that the first 4 decimals coincide. The cubic root of 745235399 is about 906.6322400934.

The spelling of 745235399 in words is "seven hundred forty-five million, two hundred thirty-five thousand, three hundred ninety-nine".