25908983 has 4 divisors (see below), whose sum is σ = 25926768. Its totient is φ = 25891200.

The previous prime is 25908947. The next prime is 25909001. The reversal of 25908983 is 38980952.

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

It is a cyclic number.

It is not a de Polignac number, because 25908983 - 2¹² = 25904887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25908943) 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, 6491 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (6481692).

Almost surely, 2^25908983 is an apocalyptic number.

25908983 is a deficient number, since it is larger than the sum of its proper divisors (17785).

25908983 is a wasteful number, since it uses less digits than its factorization.

25908983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 25908983 is about 5090.0867379643. The cubic root of 25908983 is about 295.9035135666.

The spelling of 25908983 in words is "twenty-five million, nine hundred eight thousand, nine hundred eighty-three".