67255025 has 6 divisors (see below), whose sum is σ = 83396262. Its totient is φ = 53804000.

The previous prime is 67255021. The next prime is 67255051. The reversal of 67255025 is 52055276.

It can be written as a sum of positive squares in 3 ways, for example, as 1515361 + 65739664 = 1231^2 + 8108^2 .

It is not a de Polignac number, because 67255025 - 2² = 67255021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67254982 and 67255000.

It is not an unprimeable number, because it can be changed into a prime (67255021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1345076 + ... + 1345125.

It is an arithmetic number, because the mean of its divisors is an integer number (13899377).

Almost surely, 2^67255025 is an apocalyptic number.

It is an amenable number.

67255025 is a deficient number, since it is larger than the sum of its proper divisors (16141237).

67255025 is a wasteful number, since it uses less digits than its factorization.

67255025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690211 (or 2690206 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 67255025 is about 8200.9161073626. The cubic root of 67255025 is about 406.6694791379.

The spelling of 67255025 in words is "sixty-seven million, two hundred fifty-five thousand, twenty-five".