775230025 has 6 divisors (see below), whose sum is σ = 961285262. Its totient is φ = 620184000.

The previous prime is 775230023. The next prime is 775230041. The reversal of 775230025 is 520032577.

It can be written as a sum of positive squares in 3 ways, for example, as 80802121 + 694427904 = 8989^2 + 26352^2 .

It is not a de Polignac number, because 775230025 - 2¹ = 775230023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775230023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15504576 + ... + 15504625.

Almost surely, 2^775230025 is an apocalyptic number.

It is an amenable number.

775230025 is a deficient number, since it is larger than the sum of its proper divisors (186055237).

775230025 is a wasteful number, since it uses less digits than its factorization.

775230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31009211 (or 31009206 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 775230025 is about 27842.9528786011. The cubic root of 775230025 is about 918.6361427389.

The spelling of 775230025 in words is "seven hundred seventy-five million, two hundred thirty thousand, twenty-five".