2131463 has 2 divisors, whose sum is σ = 2131464. Its totient is φ = 2131462.

The previous prime is 2131457. The next prime is 2131469. The reversal of 2131463 is 3641312.

It is a balanced prime because it is at equal distance from previous prime (2131457) and next prime (2131469).

It is a cyclic number.

It is not a de Polignac number, because 2131463 - 2⁴ = 2131447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065731 + 1065732.

It is an arithmetic number, because the mean of its divisors is an integer number (1065732).

2^2131463 is an apocalyptic number.

2131463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131463 is an equidigital number, since it uses as much as digits as its factorization.

2131463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 2131463 is about 1459.9530814379. The cubic root of 2131463 is about 128.6942863858.

Adding to 2131463 its reverse (3641312), we get a palindrome (5772775).

The spelling of 2131463 in words is "two million, one hundred thirty-one thousand, four hundred sixty-three".