25953317 has 16 divisors (see below), whose sum is σ = 29111040. Its totient is φ = 22980672.

The previous prime is 25953311. The next prime is 25953341. The reversal of 25953317 is 71335952.

It is a happy number.

It is not a de Polignac number, because 25953317 - 2¹⁶ = 25887781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25953311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37658 + ... + 38340.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^25953317 is an apocalyptic number.

It is an amenable number.

25953317 is a deficient number, since it is larger than the sum of its proper divisors (3157723).

25953317 is a wasteful number, since it uses less digits than its factorization.

25953317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its digits is 28350, while the sum is 35.

The square root of 25953317 is about 5094.4398121874. The cubic root of 25953317 is about 296.0721952278.

The spelling of 25953317 in words is "twenty-five million, nine hundred fifty-three thousand, three hundred seventeen".