2442731 has 4 divisors (see below), whose sum is σ = 2494752. Its totient is φ = 2390712.

The previous prime is 2442719. The next prime is 2442767. The reversal of 2442731 is 1372442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2442731 - 2⁶ = 2442667 is a prime.

It is a super-2 number, since 2×2442731² = 11933869476722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4⁴ + 4⁷ + 2¹³ + 7⁷ + 3¹³ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2442697 and 2442706.

It is not an unprimeable number, because it can be changed into a prime (2442631) 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, 25940 + ... + 26033.

It is an arithmetic number, because the mean of its divisors is an integer number (623688).

2^2442731 is an apocalyptic number.

2442731 is a deficient number, since it is larger than the sum of its proper divisors (52021).

2442731 is an equidigital number, since it uses as much as digits as its factorization.

2442731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52020.

The product of its digits is 1344, while the sum is 23.

The square root of 2442731 is about 1562.9238625090. The cubic root of 2442731 is about 134.6765186020.

The spelling of 2442731 in words is "two million, four hundred forty-two thousand, seven hundred thirty-one".