745333249 has 2 divisors, whose sum is σ = 745333250. Its totient is φ = 745333248.

The previous prime is 745333247. The next prime is 745333283. The reversal of 745333249 is 942333547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716097600 + 29235649 = 26760^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 745333249 - 2¹ = 745333247 is a prime.

Together with 745333247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (745333241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372666624 + 372666625.

It is an arithmetic number, because the mean of its divisors is an integer number (372666625).

Almost surely, 2^745333249 is an apocalyptic number.

It is an amenable number.

745333249 is a deficient number, since it is larger than the sum of its proper divisors (1).

745333249 is an equidigital number, since it uses as much as digits as its factorization.

745333249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 40.

The square root of 745333249 is about 27300.7920947360. The cubic root of 745333249 is about 906.6719188680.

The spelling of 745333249 in words is "seven hundred forty-five million, three hundred thirty-three thousand, two hundred forty-nine".