25065993 has 16 divisors (see below), whose sum is σ = 34295040. Its totient is φ = 16277376.

The previous prime is 25065991. The next prime is 25066001. The reversal of 25065993 is 39956052.

It is not a de Polignac number, because 25065993 - 2¹ = 25065991 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25065991) 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, 54621 + ... + 55077.

It is an arithmetic number, because the mean of its divisors is an integer number (2143440).

Almost surely, 2^25065993 is an apocalyptic number.

It is an amenable number.

25065993 is a deficient number, since it is larger than the sum of its proper divisors (9229047).

25065993 is a wasteful number, since it uses less digits than its factorization.

25065993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 25065993 is about 5006.5949506626. The cubic root of 25065993 is about 292.6588340349.

The spelling of 25065993 in words is "twenty-five million, sixty-five thousand, nine hundred ninety-three".