2152517 has 2 divisors, whose sum is σ = 2152518. Its totient is φ = 2152516.

The previous prime is 2152511. The next prime is 2152559. The reversal of 2152517 is 7152512.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 81796 = 1439^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152517 - 2¹⁴ = 2136133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152492 and 2152501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076258 + 1076259.

It is an arithmetic number, because the mean of its divisors is an integer number (1076259).

2^2152517 is an apocalyptic number.

It is an amenable number.

2152517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152517 is an equidigital number, since it uses as much as digits as its factorization.

2152517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 23.

The square root of 2152517 is about 1467.1458686852. The cubic root of 2152517 is about 129.1166342935.

The spelling of 2152517 in words is "two million, one hundred fifty-two thousand, five hundred seventeen".