25152137 has 2 divisors, whose sum is σ = 25152138. Its totient is φ = 25152136.

The previous prime is 25152109. The next prime is 25152161. The reversal of 25152137 is 73125152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19971961 + 5180176 = 4469^2 + 2276^2 .

It is a cyclic number.

It is not a de Polignac number, because 25152137 - 2¹⁴ = 25135753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25152107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576068 + 12576069.

It is an arithmetic number, because the mean of its divisors is an integer number (12576069).

Almost surely, 2^25152137 is an apocalyptic number.

It is an amenable number.

25152137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25152137 is an equidigital number, since it uses as much as digits as its factorization.

25152137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2100, while the sum is 26.

The square root of 25152137 is about 5015.1906244928. The cubic root of 25152137 is about 292.9937097509.

Adding to 25152137 its reverse (73125152), we get a palindrome (98277289).

The spelling of 25152137 in words is "twenty-five million, one hundred fifty-two thousand, one hundred thirty-seven".