25616983 has 6 divisors (see below), whose sum is σ = 29291864. Its totient is φ = 21945936.

The previous prime is 25616957. The next prime is 25617017. The reversal of 25616983 is 38961652.

It is not a de Polignac number, because 25616983 - 2⁵ = 25616951 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25616953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12435 + ... + 14347.

Almost surely, 2^25616983 is an apocalyptic number.

25616983 is a deficient number, since it is larger than the sum of its proper divisors (3674881).

25616983 is an frugal number, since it uses more digits than its factorization.

25616983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 1920 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 25616983 is about 5061.3222580666. The cubic root of 25616983 is about 294.7876783044.

The spelling of 25616983 in words is "twenty-five million, six hundred sixteen thousand, nine hundred eighty-three".