25852237 has 2 divisors, whose sum is σ = 25852238. Its totient is φ = 25852236.

The previous prime is 25852201. The next prime is 25852249. The reversal of 25852237 is 73225852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23483716 + 2368521 = 4846^2 + 1539^2 .

It is a cyclic number.

It is not a de Polignac number, because 25852237 - 2¹¹ = 25850189 is a prime.

It is equal to p_1615867 and since 25852237 and 1615867 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25852297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12926118 + 12926119.

It is an arithmetic number, because the mean of its divisors is an integer number (12926119).

Almost surely, 2^25852237 is an apocalyptic number.

It is an amenable number.

25852237 is a deficient number, since it is larger than the sum of its proper divisors (1).

25852237 is an equidigital number, since it uses as much as digits as its factorization.

25852237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 25852237 is about 5084.5095142010. The cubic root of 25852237 is about 295.6873258123.

The spelling of 25852237 in words is "twenty-five million, eight hundred fifty-two thousand, two hundred thirty-seven".