2687953 has 2 divisors, whose sum is σ = 2687954. Its totient is φ = 2687952.

The previous prime is 2687899. The next prime is 2687957. The reversal of 2687953 is 3597862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 53824 = 1623^2 + 232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2687953 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2687957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343976 + 1343977.

It is an arithmetic number, because the mean of its divisors is an integer number (1343977).

2^2687953 is an apocalyptic number.

It is an amenable number.

2687953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687953 is an equidigital number, since it uses as much as digits as its factorization.

2687953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 2687953 is about 1639.4977889586. The cubic root of 2687953 is about 139.0402554075.

Subtracting 2687953 from its reverse (3597862), we obtain a palindrome (909909).

The spelling of 2687953 in words is "two million, six hundred eighty-seven thousand, nine hundred fifty-three".