5121653 has 2 divisors, whose sum is σ = 5121654. Its totient is φ = 5121652.

The previous prime is 5121643. The next prime is 5121667. The reversal of 5121653 is 3561215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5121169 + 484 = 2263^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121653 - 2¹⁰ = 5120629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560826 + 2560827.

It is an arithmetic number, because the mean of its divisors is an integer number (2560827).

Almost surely, 2^5121653 is an apocalyptic number.

It is an amenable number.

5121653 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121653 is an equidigital number, since it uses as much as digits as its factorization.

5121653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 5121653 is about 2263.1069351668. The cubic root of 5121653 is about 172.3733215429.

Adding to 5121653 its reverse (3561215), we get a palindrome (8682868).

The spelling of 5121653 in words is "five million, one hundred twenty-one thousand, six hundred fifty-three".