26171057 has 16 divisors (see below), whose sum is σ = 29417472. Its totient is φ = 23079120.

The previous prime is 26171051. The next prime is 26171077. The reversal of 26171057 is 75017162.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26171057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26171051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115178 + ... + 115404.

It is an arithmetic number, because the mean of its divisors is an integer number (1838592).

Almost surely, 2^26171057 is an apocalyptic number.

It is an amenable number.

26171057 is a deficient number, since it is larger than the sum of its proper divisors (3246415).

26171057 is a wasteful number, since it uses less digits than its factorization.

26171057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 26171057 is about 5115.7655341112. The cubic root of 26171057 is about 296.8978740196.

The spelling of 26171057 in words is "twenty-six million, one hundred seventy-one thousand, fifty-seven".