26187061 has 4 divisors (see below), whose sum is σ = 26201152. Its totient is φ = 26172972.

The previous prime is 26187047. The next prime is 26187067. The reversal of 26187061 is 16078162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16078162 = 2 ⋅8039081.

It is a cyclic number.

It is not a de Polignac number, because 26187061 - 2⁷ = 26186933 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 (26187067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3741 + ... + 8146.

It is an arithmetic number, because the mean of its divisors is an integer number (6550288).

Almost surely, 2^26187061 is an apocalyptic number.

It is an amenable number.

26187061 is a deficient number, since it is larger than the sum of its proper divisors (14091).

26187061 is a wasteful number, since it uses less digits than its factorization.

26187061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 26187061 is about 5117.3294793281. The cubic root of 26187061 is about 296.9583808785.

The spelling of 26187061 in words is "twenty-six million, one hundred eighty-seven thousand, sixty-one".