265944473 has 2 divisors, whose sum is σ = 265944474. Its totient is φ = 265944472.

The previous prime is 265944467. The next prime is 265944517. The reversal of 265944473 is 374449562.

It is an a-pointer prime, because the next prime (265944517) can be obtained adding 265944473 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179881744 + 86062729 = 13412^2 + 9277^2 .

It is a cyclic number.

It is not a de Polignac number, because 265944473 - 2⁴ = 265944457 is a prime.

It is not a weakly prime, because it can be changed into another prime (265943473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132972236 + 132972237.

It is an arithmetic number, because the mean of its divisors is an integer number (132972237).

Almost surely, 2^265944473 is an apocalyptic number.

It is an amenable number.

265944473 is a deficient number, since it is larger than the sum of its proper divisors (1).

265944473 is an equidigital number, since it uses as much as digits as its factorization.

265944473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 44.

The square root of 265944473 is about 16307.8040520482. The cubic root of 265944473 is about 643.0780058014.

The spelling of 265944473 in words is "two hundred sixty-five million, nine hundred forty-four thousand, four hundred seventy-three".