25364137 has 2 divisors, whose sum is σ = 25364138. Its totient is φ = 25364136.

The previous prime is 25364113. The next prime is 25364149. The reversal of 25364137 is 73146352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25110121 + 254016 = 5011^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 25364137 - 2¹⁹ = 24839849 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25364099 and 25364108.

It is not a weakly prime, because it can be changed into another prime (25364177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12682068 + 12682069.

It is an arithmetic number, because the mean of its divisors is an integer number (12682069).

Almost surely, 2^25364137 is an apocalyptic number.

It is an amenable number.

25364137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25364137 is an equidigital number, since it uses as much as digits as its factorization.

25364137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 25364137 is about 5036.2820612035. The cubic root of 25364137 is about 293.8145937928.

The spelling of 25364137 in words is "twenty-five million, three hundred sixty-four thousand, one hundred thirty-seven".