26725493 has 4 divisors (see below), whose sum is σ = 26743788. Its totient is φ = 26707200.

The previous prime is 26725487. The next prime is 26725541. The reversal of 26725493 is 39452762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39452762 = 2 ⋅19726381.

It can be written as a sum of positive squares in 2 ways, for example, as 16337764 + 10387729 = 4042^2 + 3223^2 .

It is a cyclic number.

It is not a de Polignac number, because 26725493 - 2⁴ = 26725477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26725423) 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, 6746 + ... + 9947.

It is an arithmetic number, because the mean of its divisors is an integer number (6685947).

Almost surely, 2^26725493 is an apocalyptic number.

It is an amenable number.

26725493 is a deficient number, since it is larger than the sum of its proper divisors (18295).

26725493 is a wasteful number, since it uses less digits than its factorization.

26725493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294.

The product of its digits is 90720, while the sum is 38.

The square root of 26725493 is about 5169.6704924008. The cubic root of 26725493 is about 298.9798422670.

The spelling of 26725493 in words is "twenty-six million, seven hundred twenty-five thousand, four hundred ninety-three".