25617955 has 8 divisors (see below), whose sum is σ = 33536304. Its totient is φ = 18631200.

The previous prime is 25617953. The next prime is 25617959. The reversal of 25617955 is 55971652.

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

It is not a de Polignac number, because 25617955 - 2¹ = 25617953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25617953) 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, 232836 + ... + 232945.

It is an arithmetic number, because the mean of its divisors is an integer number (4192038).

Almost surely, 2^25617955 is an apocalyptic number.

25617955 is a deficient number, since it is larger than the sum of its proper divisors (7918349).

25617955 is a wasteful number, since it uses less digits than its factorization.

25617955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465797.

The product of its digits is 94500, while the sum is 40.

The square root of 25617955 is about 5061.4182794944. The cubic root of 25617955 is about 294.7914066904.

The spelling of 25617955 in words is "twenty-five million, six hundred seventeen thousand, nine hundred fifty-five".