25031065 has 8 divisors (see below), whose sum is σ = 30274560. Its totient is φ = 19866672.

The previous prime is 25031051. The next prime is 25031077. The reversal of 25031065 is 56013052.

It is a happy number.

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 25031065 - 2⁷ = 25030937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19075 + ... + 20344.

It is an arithmetic number, because the mean of its divisors is an integer number (3784320).

Almost surely, 2^25031065 is an apocalyptic number.

It is an amenable number.

25031065 is a deficient number, since it is larger than the sum of its proper divisors (5243495).

25031065 is a wasteful number, since it uses less digits than its factorization.

25031065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 25031065 is about 5003.1055355649. The cubic root of 25031065 is about 292.5228365057.

The spelling of 25031065 in words is "twenty-five million, thirty-one thousand, sixty-five".