2100487 has 2 divisors, whose sum is σ = 2100488. Its totient is φ = 2100486.

The previous prime is 2100473. The next prime is 2100493. The reversal of 2100487 is 7840012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100487 - 2¹⁵ = 2067719 is a prime.

It is a super-3 number, since 3×2100487³ = 27802333512840603909, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100407) 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, 1050243 + 1050244.

It is an arithmetic number, because the mean of its divisors is an integer number (1050244).

2^2100487 is an apocalyptic number.

2100487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100487 is an equidigital number, since it uses as much as digits as its factorization.

2100487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2100487 is about 1449.3056958420. The cubic root of 2100487 is about 128.0678148138.

Adding to 2100487 its reverse (7840012), we get a palindrome (9940499).

It can be divided in two parts, 2 and 100487, that added together give a square (100489 = 317²).

The spelling of 2100487 in words is "two million, one hundred thousand, four hundred eighty-seven".