945819241 has 2 divisors, whose sum is σ = 945819242. Its totient is φ = 945819240.

The previous prime is 945819229. The next prime is 945819257. The reversal of 945819241 is 142918549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 530841600 + 414977641 = 23040^2 + 20371^2 .

It is a cyclic number.

It is not a de Polignac number, because 945819241 - 2⁹ = 945818729 is a prime.

It is not a weakly prime, because it can be changed into another prime (945816241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472909620 + 472909621.

It is an arithmetic number, because the mean of its divisors is an integer number (472909621).

Almost surely, 2^945819241 is an apocalyptic number.

It is an amenable number.

945819241 is a deficient number, since it is larger than the sum of its proper divisors (1).

945819241 is an equidigital number, since it uses as much as digits as its factorization.

945819241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 945819241 is about 30754.1743670676. The cubic root of 945819241 is about 981.6033869844.

The spelling of 945819241 in words is "nine hundred forty-five million, eight hundred nineteen thousand, two hundred forty-one".