25625983 has 4 divisors (see below), whose sum is σ = 25779600. Its totient is φ = 25472368.

The previous prime is 25625969. The next prime is 25625989. The reversal of 25625983 is 38952652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25625983 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25625989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76558 + ... + 76891.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2^25625983 is an apocalyptic number.

25625983 is a deficient number, since it is larger than the sum of its proper divisors (153617).

25625983 is a wasteful number, since it uses less digits than its factorization.

25625983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153616.

The product of its digits is 129600, while the sum is 40.

The square root of 25625983 is about 5062.2112757174. The cubic root of 25625983 is about 294.8221967911.

The spelling of 25625983 in words is "twenty-five million, six hundred twenty-five thousand, nine hundred eighty-three".