25852129 has 2 divisors, whose sum is σ = 25852130. Its totient is φ = 25852128.

The previous prime is 25852051. The next prime is 25852187. The reversal of 25852129 is 92125852.

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., 24770529 + 1081600 = 4977^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 25852129 - 2¹⁵ = 25819361 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25852094 and 25852103.

It is not a weakly prime, because it can be changed into another prime (25852429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926064 + 12926065.

It is an arithmetic number, because the mean of its divisors is an integer number (12926065).

Almost surely, 2^25852129 is an apocalyptic number.

It is an amenable number.

25852129 is a deficient number, since it is larger than the sum of its proper divisors (1).

25852129 is an equidigital number, since it uses as much as digits as its factorization.

25852129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 25852129 is about 5084.4988936964. The cubic root of 25852129 is about 295.6869140585.

The spelling of 25852129 in words is "twenty-five million, eight hundred fifty-two thousand, one hundred twenty-nine".