923261 has 4 divisors (see below), whose sum is σ = 948252. Its totient is φ = 898272.

The previous prime is 923249. The next prime is 923309. The reversal of 923261 is 162329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162329 = 271 ⋅599.

It can be written as a sum of positive squares in 2 ways, for example, as 755161 + 168100 = 869^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 923261 - 2¹⁰ = 922237 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 (923201) 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, 12440 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (237063).

2⁹²³²⁶¹ is an apocalyptic number.

It is an amenable number.

923261 is a deficient number, since it is larger than the sum of its proper divisors (24991).

923261 is a wasteful number, since it uses less digits than its factorization.

923261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990.

The product of its digits is 648, while the sum is 23.

The square root of 923261 is about 960.8647147231. The cubic root of 923261 is about 97.3736606000.

The spelling of 923261 in words is "nine hundred twenty-three thousand, two hundred sixty-one".