25375513 has 4 divisors (see below), whose sum is σ = 25754320. Its totient is φ = 24996708.

The previous prime is 25375501. The next prime is 25375529. The reversal of 25375513 is 31557352.

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 25375513 - 2⁹ = 25375001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25375213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189303 + ... + 189436.

It is an arithmetic number, because the mean of its divisors is an integer number (6438580).

Almost surely, 2^25375513 is an apocalyptic number.

It is an amenable number.

25375513 is a deficient number, since it is larger than the sum of its proper divisors (378807).

25375513 is an equidigital number, since it uses as much as digits as its factorization.

25375513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378806.

The product of its digits is 15750, while the sum is 31.

The square root of 25375513 is about 5037.4113391701. The cubic root of 25375513 is about 293.8585132218.

The spelling of 25375513 in words is "twenty-five million, three hundred seventy-five thousand, five hundred thirteen".