231826461 has 4 divisors (see below), whose sum is σ = 309101952. Its totient is φ = 154550972.

The previous prime is 231826447. The next prime is 231826489. The reversal of 231826461 is 164628132.

231826461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 231826461 - 2¹³ = 231818269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231826421) 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, 38637741 + ... + 38637746.

It is an arithmetic number, because the mean of its divisors is an integer number (77275488).

Almost surely, 2^231826461 is an apocalyptic number.

It is an amenable number.

231826461 is a deficient number, since it is larger than the sum of its proper divisors (77275491).

231826461 is an equidigital number, since it uses as much as digits as its factorization.

231826461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77275490.

The product of its digits is 13824, while the sum is 33.

The square root of 231826461 is about 15225.8484492655. The cubic root of 231826461 is about 614.3101180730.

The spelling of 231826461 in words is "two hundred thirty-one million, eight hundred twenty-six thousand, four hundred sixty-one".