2067431 has 2 divisors, whose sum is σ = 2067432. Its totient is φ = 2067430.

The previous prime is 2067427. The next prime is 2067437. The reversal of 2067431 is 1347602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2067431 - 2² = 2067427 is a prime.

It is a super-2 number, since 2×2067431² = 8548541879522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2067397 and 2067406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2067437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033715 + 1033716.

It is an arithmetic number, because the mean of its divisors is an integer number (1033716).

2^2067431 is an apocalyptic number.

2067431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2067431 is an equidigital number, since it uses as much as digits as its factorization.

2067431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2067431 is about 1437.8563906037. The cubic root of 2067431 is about 127.3924455004.

The spelling of 2067431 in words is "two million, sixty-seven thousand, four hundred thirty-one".