25726037 has 2 divisors, whose sum is σ = 25726038. Its totient is φ = 25726036.

The previous prime is 25726031. The next prime is 25726087. The reversal of 25726037 is 73062752.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23726641 + 1999396 = 4871^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 25726037 - 2⁸ = 25725781 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25725994 and 25726012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25726031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12863018 + 12863019.

It is an arithmetic number, because the mean of its divisors is an integer number (12863019).

Almost surely, 2^25726037 is an apocalyptic number.

It is an amenable number.

25726037 is a deficient number, since it is larger than the sum of its proper divisors (1).

25726037 is an equidigital number, since it uses as much as digits as its factorization.

25726037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 25726037 is about 5072.0840884197. The cubic root of 25726037 is about 295.2053994222.

Adding to 25726037 its reverse (73062752), we get a palindrome (98788789).

The spelling of 25726037 in words is "twenty-five million, seven hundred twenty-six thousand, thirty-seven".