25340717 has 8 divisors (see below), whose sum is σ = 26004000. Its totient is φ = 24680880.

The previous prime is 25340713. The next prime is 25340719. The reversal of 25340717 is 71704352.

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 25340717 - 2² = 25340713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25340717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20867 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (3250500).

Almost surely, 2^25340717 is an apocalyptic number.

It is an amenable number.

25340717 is a deficient number, since it is larger than the sum of its proper divisors (663283).

25340717 is a wasteful number, since it uses less digits than its factorization.

25340717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 25340717 is about 5033.9563963149. The cubic root of 25340717 is about 293.7241346171.

Subtracting 25340717 from its reverse (71704352), we obtain a triangular number (46363635 = T₉₆₂₉).

The spelling of 25340717 in words is "twenty-five million, three hundred forty thousand, seven hundred seventeen".