7445225377 has 2 divisors, whose sum is σ = 7445225378. Its totient is φ = 7445225376.

The previous prime is 7445225371. The next prime is 7445225461. The reversal of 7445225377 is 7735225447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6200617536 + 1244607841 = 78744^2 + 35279^2 .

It is an emirp because it is prime and its reverse (7735225447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7445225377 - 2¹⁵ = 7445192609 is a prime.

It is not a weakly prime, because it can be changed into another prime (7445225371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722612688 + 3722612689.

It is an arithmetic number, because the mean of its divisors is an integer number (3722612689).

Almost surely, 2^7445225377 is an apocalyptic number.

It is an amenable number.

7445225377 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445225377 is an equidigital number, since it uses as much as digits as its factorization.

7445225377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1646400, while the sum is 46.

The square root of 7445225377 is about 86285.7194267974. The cubic root of 7445225377 is about 1952.6569415834.

The spelling of 7445225377 in words is "seven billion, four hundred forty-five million, two hundred twenty-five thousand, three hundred seventy-seven".