2431481 has 8 divisors (see below), whose sum is σ = 2668680. Its totient is φ = 2201472.

The previous prime is 2431469. The next prime is 2431489. The reversal of 2431481 is 1841342.

It can be written as a sum of positive squares in 4 ways, for example, as 13456 + 2418025 = 116^2 + 1555^2 .

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

It is not a de Polignac number, because 2431481 - 2⁶ = 2431417 is a prime.

It is a super-4 number, since 4×2431481⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431489) 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, 1076 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (333585).

2^2431481 is an apocalyptic number.

It is an amenable number.

2431481 is a deficient number, since it is larger than the sum of its proper divisors (237199).

2431481 is a wasteful number, since it uses less digits than its factorization.

2431481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595.

The product of its digits is 768, while the sum is 23.

The square root of 2431481 is about 1559.3206854268. The cubic root of 2431481 is about 134.4694494443.

The spelling of 2431481 in words is "two million, four hundred thirty-one thousand, four hundred eighty-one".