26195057 has 24 divisors (see below), whose sum is σ = 31628160. Its totient is φ = 21621600.

The previous prime is 26195051. The next prime is 26195069. The reversal of 26195057 is 75059162.

It is not a de Polignac number, because 26195057 - 2²² = 22000753 is a prime.

It is a super-2 number, since 2×26195057² = 1372362022466498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26195051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259307 + ... + 259407.

It is an arithmetic number, because the mean of its divisors is an integer number (1317840).

Almost surely, 2^26195057 is an apocalyptic number.

It is an amenable number.

26195057 is a deficient number, since it is larger than the sum of its proper divisors (5433103).

26195057 is a wasteful number, since it uses less digits than its factorization.

26195057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 26195057 is about 5118.1106865718. The cubic root of 26195057 is about 296.9886023885.

The spelling of 26195057 in words is "twenty-six million, one hundred ninety-five thousand, fifty-seven".