26145461 has 4 divisors (see below), whose sum is σ = 26503692. Its totient is φ = 25787232.

The previous prime is 26145451. The next prime is 26145479. The reversal of 26145461 is 16454162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16454162 = 2 ⋅8227081.

It can be written as a sum of positive squares in 2 ways, for example, as 19307236 + 6838225 = 4394^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 26145461 - 2⁶ = 26145397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26145401) 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, 179006 + ... + 179151.

It is an arithmetic number, because the mean of its divisors is an integer number (6625923).

Almost surely, 2^26145461 is an apocalyptic number.

It is an amenable number.

26145461 is a deficient number, since it is larger than the sum of its proper divisors (358231).

26145461 is an equidigital number, since it uses as much as digits as its factorization.

26145461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358230.

The product of its digits is 5760, while the sum is 29.

The square root of 26145461 is about 5113.2632437613. The cubic root of 26145461 is about 296.8010510700.

The spelling of 26145461 in words is "twenty-six million, one hundred forty-five thousand, four hundred sixty-one".