68563025 has 6 divisors (see below), whose sum is σ = 85018182. Its totient is φ = 54850400.

The previous prime is 68563021. The next prime is 68563037. The reversal of 68563025 is 52036586.

It can be written as a sum of positive squares in 3 ways, for example, as 863041 + 67699984 = 929^2 + 8228^2 .

It is not a de Polignac number, because 68563025 - 2² = 68563021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68563021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1371236 + ... + 1371285.

It is an arithmetic number, because the mean of its divisors is an integer number (14169697).

Almost surely, 2^68563025 is an apocalyptic number.

It is an amenable number.

68563025 is a deficient number, since it is larger than the sum of its proper divisors (16455157).

68563025 is a wasteful number, since it uses less digits than its factorization.

68563025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742531 (or 2742526 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 68563025 is about 8280.2792827295. The cubic root of 68563025 is about 409.2889221347.

The spelling of 68563025 in words is "sixty-eight million, five hundred sixty-three thousand, twenty-five".