905445053 has 2 divisors, whose sum is σ = 905445054. Its totient is φ = 905445052.

The previous prime is 905445043. The next prime is 905445077. The reversal of 905445053 is 350544509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888814969 + 16630084 = 29813^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 905445053 - 2¹⁸ = 905182909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905445043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452722526 + 452722527.

It is an arithmetic number, because the mean of its divisors is an integer number (452722527).

Almost surely, 2^905445053 is an apocalyptic number.

It is an amenable number.

905445053 is a deficient number, since it is larger than the sum of its proper divisors (1).

905445053 is an equidigital number, since it uses as much as digits as its factorization.

905445053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 905445053 is about 30090.6140349445. The cubic root of 905445053 is about 967.4325602938.

The spelling of 905445053 in words is "nine hundred five million, four hundred forty-five thousand, fifty-three".