13750025 has 12 divisors (see below), whose sum is σ = 18053532. Its totient is φ = 10352640.

The previous prime is 13749997. The next prime is 13750043. The reversal of 13750025 is 52005731.

13750025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 652864 + 13097161 = 808^2 + 3619^2 .

It is not a de Polignac number, because 13750025 - 2⁶ = 13749961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15752 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (1504461).

Almost surely, 2^13750025 is an apocalyptic number.

It is an amenable number.

13750025 is a deficient number, since it is larger than the sum of its proper divisors (4303507).

13750025 is a wasteful number, since it uses less digits than its factorization.

13750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32380 (or 32375 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 13750025 is about 3708.1026145456. The cubic root of 13750025 is about 239.5711380476.

Adding to 13750025 its reverse (52005731), we get a palindrome (65755756).

The spelling of 13750025 in words is "thirteen million, seven hundred fifty thousand, twenty-five".