25285061 has 2 divisors, whose sum is σ = 25285062. Its totient is φ = 25285060.

The previous prime is 25285031. The next prime is 25285093. The reversal of 25285061 is 16058252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15952036 + 9333025 = 3994^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 25285061 - 2¹⁸ = 25022917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25285031) 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, 12642530 + 12642531.

It is an arithmetic number, because the mean of its divisors is an integer number (12642531).

Almost surely, 2^25285061 is an apocalyptic number.

It is an amenable number.

25285061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25285061 is an equidigital number, since it uses as much as digits as its factorization.

25285061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25285061 is about 5028.4253002307. The cubic root of 25285061 is about 293.5089408492.

The spelling of 25285061 in words is "twenty-five million, two hundred eighty-five thousand, sixty-one".