26530983 has 48 divisors (see below), whose sum is σ = 42771456. Its totient is φ = 16394400.

The previous prime is 26530963. The next prime is 26530993. The reversal of 26530983 is 38903562.

It is a de Polignac number, because none of the positive numbers 2^k-26530983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530963) 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 47 ways as a sum of consecutive naturals, for example, 262633 + ... + 262733.

It is an arithmetic number, because the mean of its divisors is an integer number (891072).

Almost surely, 2^26530983 is an apocalyptic number.

26530983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26530983 is a deficient number, since it is larger than the sum of its proper divisors (16240473).

26530983 is a wasteful number, since it uses less digits than its factorization.

26530983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 26530983 is about 5150.8235263888. The cubic root of 26530983 is about 298.2527434043.

The spelling of 26530983 in words is "twenty-six million, five hundred thirty thousand, nine hundred eighty-three".