25255361 has 2 divisors, whose sum is σ = 25255362. Its totient is φ = 25255360.

The previous prime is 25255343. The next prime is 25255367. The reversal of 25255361 is 16355252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13830961 + 11424400 = 3719^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255361 - 2¹⁴ = 25238977 is a prime.

It is equal to p_1580816 and since 25255361 and 1580816 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25255367) 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 as a sum of consecutive naturals, namely, 12627680 + 12627681.

It is an arithmetic number, because the mean of its divisors is an integer number (12627681).

Almost surely, 2^25255361 is an apocalyptic number.

It is an amenable number.

25255361 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255361 is an equidigital number, since it uses as much as digits as its factorization.

25255361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 25255361 is about 5025.4712216866. The cubic root of 25255361 is about 293.3939766434.

The spelling of 25255361 in words is "twenty-five million, two hundred fifty-five thousand, three hundred sixty-one".