25172750417 has 8 divisors (see below), whose sum is σ = 25986934272. Its totient is φ = 24358701600.

The previous prime is 25172750401. The next prime is 25172750429. The reversal of 25172750417 is 71405727152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25172750417 - 2⁴ = 25172750401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25172750467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459893 + ... + 511709.

It is an arithmetic number, because the mean of its divisors is an integer number (3248366784).

Almost surely, 2^25172750417 is an apocalyptic number.

It is an amenable number.

25172750417 is a deficient number, since it is larger than the sum of its proper divisors (814183855).

25172750417 is a wasteful number, since it uses less digits than its factorization.

25172750417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67519.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 25172750417 in words is "twenty-five billion, one hundred seventy-two million, seven hundred fifty thousand, four hundred seventeen".