26056493 has 8 divisors (see below), whose sum is σ = 27345600. Its totient is φ = 24780448.

The previous prime is 26056489. The next prime is 26056507. The reversal of 26056493 is 39465062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26056493 - 2² = 26056489 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 (26056423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (3418200).

Almost surely, 2^26056493 is an apocalyptic number.

26056493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26056493 is the 2729-th centered heptagonal number.

It is an amenable number.

26056493 is a deficient number, since it is larger than the sum of its proper divisors (1289107).

26056493 is a wasteful number, since it uses less digits than its factorization.

26056493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 26056493 is about 5104.5561021503. The cubic root of 26056493 is about 296.4640161005.

The spelling of 26056493 in words is "twenty-six million, fifty-six thousand, four hundred ninety-three".