26540453 has 4 divisors (see below), whose sum is σ = 26551200. Its totient is φ = 26529708.

The previous prime is 26540441. The next prime is 26540471. The reversal of 26540453 is 35404562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26540453 - 2⁶ = 26540389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540483) 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, 398 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (6637800).

Almost surely, 2^26540453 is an apocalyptic number.

It is an amenable number.

26540453 is a deficient number, since it is larger than the sum of its proper divisors (10747).

26540453 is an equidigital number, since it uses as much as digits as its factorization.

26540453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10746.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 26540453 is about 5151.7427148490. The cubic root of 26540453 is about 298.2882254103.

The spelling of 26540453 in words is "twenty-six million, five hundred forty thousand, four hundred fifty-three".