905530025 has 12 divisors (see below), whose sum is σ = 1181955600. Its totient is φ = 686296080.

The previous prime is 905530019. The next prime is 905530027. The reversal of 905530025 is 520035509.

It is not a de Polignac number, because 905530025 - 2²⁰ = 904481449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 905530025.

It is not an unprimeable number, because it can be changed into a prime (905530027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952715 + ... + 953664.

It is an arithmetic number, because the mean of its divisors is an integer number (98496300).

Almost surely, 2^905530025 is an apocalyptic number.

905530025 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

905530025 is a deficient number, since it is larger than the sum of its proper divisors (276425575).

905530025 is a wasteful number, since it uses less digits than its factorization.

905530025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906408 (or 1906403 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 905530025 is about 30092.0259371150. The cubic root of 905530025 is about 967.4628224313.

The spelling of 905530025 in words is "nine hundred five million, five hundred thirty thousand, twenty-five".