25117485 has 16 divisors (see below), whose sum is σ = 40438464. Its totient is φ = 13312512.

The previous prime is 25117441. The next prime is 25117489. The reversal of 25117485 is 58471152.

It is not a de Polignac number, because 25117485 - 2¹⁴ = 25101101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25117489) 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, 2692 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (2527404).

Almost surely, 2^25117485 is an apocalyptic number.

It is an amenable number.

25117485 is a deficient number, since it is larger than the sum of its proper divisors (15320979).

25117485 is a wasteful number, since it uses less digits than its factorization.

25117485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444.

The product of its digits is 11200, while the sum is 33.

The square root of 25117485 is about 5011.7347296121. The cubic root of 25117485 is about 292.8590958200.

The spelling of 25117485 in words is "twenty-five million, one hundred seventeen thousand, four hundred eighty-five".