26542453 has 16 divisors (see below), whose sum is σ = 31985280. Its totient is φ = 21542976.

The previous prime is 26542441. The next prime is 26542463. The reversal of 26542453 is 35424562.

It is a de Polignac number, because none of the positive numbers 2^k-26542453 is a prime.

It is a super-2 number, since 2×26542453² = 1409003622514418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26542403) 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 15 ways as a sum of consecutive naturals, for example, 9526 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (1999080).

Almost surely, 2^26542453 is an apocalyptic number.

It is an amenable number.

26542453 is a deficient number, since it is larger than the sum of its proper divisors (5442827).

26542453 is a wasteful number, since it uses less digits than its factorization.

26542453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its digits is 28800, while the sum is 31.

The square root of 26542453 is about 5151.9368202648. The cubic root of 26542453 is about 298.2957178906.

The spelling of 26542453 in words is "twenty-six million, five hundred forty-two thousand, four hundred fifty-three".