25707061 has 2 divisors, whose sum is σ = 25707062. Its totient is φ = 25707060.

The previous prime is 25707053. The next prime is 25707103. The reversal of 25707061 is 16070752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 8814961 = 4110^2 + 2969^2 .

It is a cyclic number.

It is not a de Polignac number, because 25707061 - 2³ = 25707053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25707001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12853530 + 12853531.

It is an arithmetic number, because the mean of its divisors is an integer number (12853531).

Almost surely, 2^25707061 is an apocalyptic number.

It is an amenable number.

25707061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25707061 is an equidigital number, since it uses as much as digits as its factorization.

25707061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 25707061 is about 5070.2131118918. The cubic root of 25707061 is about 295.1327985838.

The spelling of 25707061 in words is "twenty-five million, seven hundred seven thousand, sixty-one".