945474281 has 2 divisors, whose sum is σ = 945474282. Its totient is φ = 945474280.

The previous prime is 945474259. The next prime is 945474287. The reversal of 945474281 is 182474549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682515625 + 262958656 = 26125^2 + 16216^2 .

It is a cyclic number.

It is not a de Polignac number, because 945474281 - 2¹⁰ = 945473257 is a prime.

It is a super-2 number, since 2×945474281² = 1787843232064933922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (945474287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472737140 + 472737141.

It is an arithmetic number, because the mean of its divisors is an integer number (472737141).

Almost surely, 2^945474281 is an apocalyptic number.

It is an amenable number.

945474281 is a deficient number, since it is larger than the sum of its proper divisors (1).

945474281 is an equidigital number, since it uses as much as digits as its factorization.

945474281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 945474281 is about 30748.5655112560. The cubic root of 945474281 is about 981.4840353985.

The spelling of 945474281 in words is "nine hundred forty-five million, four hundred seventy-four thousand, two hundred eighty-one".