26420253 has 8 divisors (see below), whose sum is σ = 35290368. Its totient is φ = 17581824.

The previous prime is 26420249. The next prime is 26420269. The reversal of 26420253 is 35202462.

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

It is not a de Polignac number, because 26420253 - 2² = 26420249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420213) 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 7 ways as a sum of consecutive naturals, for example, 5901 + ... + 9362.

It is an arithmetic number, because the mean of its divisors is an integer number (4411296).

Almost surely, 2^26420253 is an apocalyptic number.

It is an amenable number.

26420253 is a deficient number, since it is larger than the sum of its proper divisors (8870115).

26420253 is a wasteful number, since it uses less digits than its factorization.

26420253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15843.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 26420253 is about 5140.0635210083. The cubic root of 26420253 is about 297.8372345087.

The spelling of 26420253 in words is "twenty-six million, four hundred twenty thousand, two hundred fifty-three".