905652949 has 2 divisors, whose sum is σ = 905652950. Its totient is φ = 905652948.

The previous prime is 905652871. The next prime is 905652953. The reversal of 905652949 is 949256509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612216049 + 293436900 = 24743^2 + 17130^2 .

It is a cyclic number.

It is not a de Polignac number, because 905652949 - 2⁷ = 905652821 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905653949) 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, 452826474 + 452826475.

It is an arithmetic number, because the mean of its divisors is an integer number (452826475).

Almost surely, 2^905652949 is an apocalyptic number.

It is an amenable number.

905652949 is a deficient number, since it is larger than the sum of its proper divisors (1).

905652949 is an equidigital number, since it uses as much as digits as its factorization.

905652949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 905652949 is about 30094.0683358033. The cubic root of 905652949 is about 967.5065975375.

The spelling of 905652949 in words is "nine hundred five million, six hundred fifty-two thousand, nine hundred forty-nine".