2318261 has 8 divisors (see below), whose sum is σ = 2564544. Its totient is φ = 2077920.

The previous prime is 2318249. The next prime is 2318279. The reversal of 2318261 is 1628132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2318261 - 2¹⁴ = 2301877 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 (2318761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (320568).

2^2318261 is an apocalyptic number.

It is an amenable number.

2318261 is a deficient number, since it is larger than the sum of its proper divisors (246283).

2318261 is a wasteful number, since it uses less digits than its factorization.

2318261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its digits is 576, while the sum is 23.

The square root of 2318261 is about 1522.5836594421. The cubic root of 2318261 is about 132.3490341834.

The spelling of 2318261 in words is "two million, three hundred eighteen thousand, two hundred sixty-one".