2427431 has 2 divisors, whose sum is σ = 2427432. Its totient is φ = 2427430.

The previous prime is 2427427. The next prime is 2427461. The reversal of 2427431 is 1347242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2427431 - 2² = 2427427 is a prime.

It is a super-2 number, since 2×2427431² = 11784842519522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2427397 and 2427406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213715 + 1213716.

It is an arithmetic number, because the mean of its divisors is an integer number (1213716).

2^2427431 is an apocalyptic number.

2427431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427431 is an equidigital number, since it uses as much as digits as its factorization.

2427431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2427431 is about 1558.0215017772. The cubic root of 2427431 is about 134.3947482063.

The spelling of 2427431 in words is "two million, four hundred twenty-seven thousand, four hundred thirty-one".