2520017 has 2 divisors, whose sum is σ = 2520018. Its totient is φ = 2520016.

The previous prime is 2519981. The next prime is 2520031. The reversal of 2520017 is 7100252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1263376 + 1256641 = 1124^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520017 - 2⁶ = 2519953 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2519977 and 2520004.

It is not a weakly prime, because it can be changed into another prime (2522017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260008 + 1260009.

It is an arithmetic number, because the mean of its divisors is an integer number (1260009).

2^2520017 is an apocalyptic number.

It is an amenable number.

2520017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520017 is an equidigital number, since it uses as much as digits as its factorization.

2520017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2520017 is about 1587.4561411264. The cubic root of 2520017 is about 136.0821483225.

Adding to 2520017 its reverse (7100252), we get a palindrome (9620269).

The spelling of 2520017 in words is "two million, five hundred twenty thousand, seventeen".