2520697 has 2 divisors, whose sum is σ = 2520698. Its totient is φ = 2520696.

The previous prime is 2520689. The next prime is 2520769. The reversal of 2520697 is 7960252.

2520697 is nontrivially palindromic in base 9.

Together with next prime (2520769) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 1218816 = 1141^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520697 - 2³ = 2520689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260348 + 1260349.

It is an arithmetic number, because the mean of its divisors is an integer number (1260349).

2^2520697 is an apocalyptic number.

It is an amenable number.

2520697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520697 is an equidigital number, since it uses as much as digits as its factorization.

2520697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2520697 is about 1587.6703058255. The cubic root of 2520697 is about 136.0943873324.

The spelling of 2520697 in words is "two million, five hundred twenty thousand, six hundred ninety-seven".