25032665 has 16 divisors (see below), whose sum is σ = 35131008. Its totient is φ = 16765056.

The previous prime is 25032661. The next prime is 25032691. The reversal of 25032665 is 56623052.

It is a happy number.

25032665 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 25032665 - 2² = 25032661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25032661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6812 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (2195688).

Almost surely, 2^25032665 is an apocalyptic number.

It is an amenable number.

25032665 is a deficient number, since it is larger than the sum of its proper divisors (10098343).

25032665 is a wasteful number, since it uses less digits than its factorization.

25032665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16688.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 25032665 is about 5003.2654336943. The cubic root of 25032665 is about 292.5290691153.

The spelling of 25032665 in words is "twenty-five million, thirty-two thousand, six hundred sixty-five".