745527049 has 2 divisors, whose sum is σ = 745527050. Its totient is φ = 745527048.

The previous prime is 745527031. The next prime is 745527059. The reversal of 745527049 is 940725547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729270025 + 16257024 = 27005^2 + 4032^2 .

It is an emirp because it is prime and its reverse (940725547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745527049 - 2¹³ = 745518857 is a prime.

It is equal to p_38484565 and since 745527049 and 38484565 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 745526996 and 745527014.

It is not a weakly prime, because it can be changed into another prime (745527059) 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, 372763524 + 372763525.

It is an arithmetic number, because the mean of its divisors is an integer number (372763525).

Almost surely, 2^745527049 is an apocalyptic number.

It is an amenable number.

745527049 is a deficient number, since it is larger than the sum of its proper divisors (1).

745527049 is an equidigital number, since it uses as much as digits as its factorization.

745527049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 745527049 is about 27304.3412116096. The cubic root of 745527049 is about 906.7504957063.

The spelling of 745527049 in words is "seven hundred forty-five million, five hundred twenty-seven thousand, forty-nine".