25412237 has 2 divisors, whose sum is σ = 25412238. Its totient is φ = 25412236.

The previous prime is 25412227. The next prime is 25412239. The reversal of 25412237 is 73221452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22791076 + 2621161 = 4774^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 25412237 - 2⁴ = 25412221 is a prime.

Together with 25412239, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25412239) 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, 12706118 + 12706119.

It is an arithmetic number, because the mean of its divisors is an integer number (12706119).

Almost surely, 2^25412237 is an apocalyptic number.

It is an amenable number.

25412237 is a deficient number, since it is larger than the sum of its proper divisors (1).

25412237 is an equidigital number, since it uses as much as digits as its factorization.

25412237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 25412237 is about 5041.0551474865. The cubic root of 25412237 is about 294.0002043900. Note that the first 3 decimals are identical.

Adding to 25412237 its reverse (73221452), we get a palindrome (98633689).

The spelling of 25412237 in words is "twenty-five million, four hundred twelve thousand, two hundred thirty-seven".