25081037 has 2 divisors, whose sum is σ = 25081038. Its totient is φ = 25081036.

The previous prime is 25081019. The next prime is 25081039. The reversal of 25081037 is 73018052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23367556 + 1713481 = 4834^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 25081037 - 2²⁴ = 8303821 is a prime.

Together with 25081039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25080997 and 25081015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25081039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12540518 + 12540519.

It is an arithmetic number, because the mean of its divisors is an integer number (12540519).

Almost surely, 2^25081037 is an apocalyptic number.

It is an amenable number.

25081037 is a deficient number, since it is larger than the sum of its proper divisors (1).

25081037 is an equidigital number, since it uses as much as digits as its factorization.

25081037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 25081037 is about 5008.0971436265. The cubic root of 25081037 is about 292.7173712329.

Adding to 25081037 its reverse (73018052), we get a palindrome (98099089).

The spelling of 25081037 in words is "twenty-five million, eighty-one thousand, thirty-seven".