2113753 has 2 divisors, whose sum is σ = 2113754. Its totient is φ = 2113752.

The previous prime is 2113747. The next prime is 2113757. The reversal of 2113753 is 3573112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468944 + 644809 = 1212^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113753 - 2¹⁷ = 1982681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2113757) 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, 1056876 + 1056877.

It is an arithmetic number, because the mean of its divisors is an integer number (1056877).

2^2113753 is an apocalyptic number.

It is an amenable number.

2113753 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113753 is an equidigital number, since it uses as much as digits as its factorization.

2113753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630, while the sum is 22.

The square root of 2113753 is about 1453.8751665807. The cubic root of 2113753 is about 128.3368609064.

Adding to 2113753 its reverse (3573112), we get a palindrome (5686865).

The spelling of 2113753 in words is "two million, one hundred thirteen thousand, seven hundred fifty-three".