25983523 has 4 divisors (see below), whose sum is σ = 26023968. Its totient is φ = 25943080.

The previous prime is 25983511. The next prime is 25983571. The reversal of 25983523 is 32538952.

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 25983523 - 2¹⁷ = 25852451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25983593) 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, 19243 + ... + 20548.

It is an arithmetic number, because the mean of its divisors is an integer number (6505992).

Almost surely, 2^25983523 is an apocalyptic number.

25983523 is a deficient number, since it is larger than the sum of its proper divisors (40445).

25983523 is an equidigital number, since it uses as much as digits as its factorization.

25983523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40444.

The product of its digits is 64800, while the sum is 37.

The square root of 25983523 is about 5097.4035547522. The cubic root of 25983523 is about 296.1870127859.

The spelling of 25983523 in words is "twenty-five million, nine hundred eighty-three thousand, five hundred twenty-three".