25125137 has 4 divisors (see below), whose sum is σ = 25138176. Its totient is φ = 25112100.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125137 is 73152152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25125137 - 2⁶ = 25125073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25125157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2993 + ... + 7694.

It is an arithmetic number, because the mean of its divisors is an integer number (6284544).

Almost surely, 2^25125137 is an apocalyptic number.

It is an amenable number.

25125137 is a deficient number, since it is larger than the sum of its proper divisors (13039).

25125137 is a wasteful number, since it uses less digits than its factorization.

25125137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13038.

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

The square root of 25125137 is about 5012.4980798001. The cubic root of 25125137 is about 292.8888324791. Note that the first 4 decimals are identical.

Adding to 25125137 its reverse (73152152), we get a palindrome (98277289).

The spelling of 25125137 in words is "twenty-five million, one hundred twenty-five thousand, one hundred thirty-seven".