2031487 has 2 divisors, whose sum is σ = 2031488. Its totient is φ = 2031486.

The previous prime is 2031473. The next prime is 2031493. The reversal of 2031487 is 7841302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031487 - 2¹¹ = 2029439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015743 + 1015744.

It is an arithmetic number, because the mean of its divisors is an integer number (1015744).

2^2031487 is an apocalyptic number.

2031487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031487 is an equidigital number, since it uses as much as digits as its factorization.

2031487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2031487 is about 1425.3024240490. The cubic root of 2031487 is about 126.6498507994.

Adding to 2031487 its reverse (7841302), we get a palindrome (9872789).

The spelling of 2031487 in words is "two million, thirty-one thousand, four hundred eighty-seven".