26531913 has 8 divisors (see below), whose sum is σ = 35824000. Its totient is φ = 17463888.

The previous prime is 26531899. The next prime is 26531941. The reversal of 26531913 is 31913562.

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

It is not a de Polignac number, because 26531913 - 2¹² = 26527817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26531963) 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, 55738 + ... + 56211.

It is an arithmetic number, because the mean of its divisors is an integer number (4478000).

Almost surely, 2^26531913 is an apocalyptic number.

It is an amenable number.

26531913 is a deficient number, since it is larger than the sum of its proper divisors (9292087).

26531913 is a wasteful number, since it uses less digits than its factorization.

26531913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112031.

The product of its digits is 4860, while the sum is 30.

The square root of 26531913 is about 5150.9138024238. The cubic root of 26531913 is about 298.2562282835.

The spelling of 26531913 in words is "twenty-six million, five hundred thirty-one thousand, nine hundred thirteen".