26150261 has 4 divisors (see below), whose sum is σ = 26164524. Its totient is φ = 26136000.

The previous prime is 26150249. The next prime is 26150269. The reversal of 26150261 is 16205162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16205162 = 2 ⋅8102581.

It can be written as a sum of positive squares in 2 ways, for example, as 23280625 + 2869636 = 4825^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 26150261 - 2²² = 21955957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26150269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890 + ... + 8211.

It is an arithmetic number, because the mean of its divisors is an integer number (6541131).

Almost surely, 2^26150261 is an apocalyptic number.

It is an amenable number.

26150261 is a deficient number, since it is larger than the sum of its proper divisors (14263).

26150261 is a wasteful number, since it uses less digits than its factorization.

26150261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 26150261 is about 5113.7325898017. The cubic root of 26150261 is about 296.8192130226.

The spelling of 26150261 in words is "twenty-six million, one hundred fifty thousand, two hundred sixty-one".