26242633 has 4 divisors (see below), whose sum is σ = 26262148. Its totient is φ = 26223120.

The previous prime is 26242621. The next prime is 26242637. The reversal of 26242633 is 33624262.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23892544 + 2350089 = 4888^2 + 1533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26242633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26242637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7578 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (6565537).

Almost surely, 2^26242633 is an apocalyptic number.

It is an amenable number.

26242633 is a deficient number, since it is larger than the sum of its proper divisors (19515).

26242633 is a wasteful number, since it uses less digits than its factorization.

26242633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19514.

The product of its digits is 10368, while the sum is 28.

The square root of 26242633 is about 5122.7563869464. The cubic root of 26242633 is about 297.1682925778.

Adding to 26242633 its reverse (33624262), we get a palindrome (59866895).

The spelling of 26242633 in words is "twenty-six million, two hundred forty-two thousand, six hundred thirty-three".