2520659 has 2 divisors, whose sum is σ = 2520660. Its totient is φ = 2520658.

The previous prime is 2520649. The next prime is 2520671. The reversal of 2520659 is 9560252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520659 - 2²⁰ = 1472083 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2520629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260329 + 1260330.

It is an arithmetic number, because the mean of its divisors is an integer number (1260330).

2^2520659 is an apocalyptic number.

2520659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520659 is an equidigital number, since it uses as much as digits as its factorization.

2520659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2520659 is about 1587.6583385603. The cubic root of 2520659 is about 136.0937034458.

The spelling of 2520659 in words is "two million, five hundred twenty thousand, six hundred fifty-nine".