2520797 has 2 divisors, whose sum is σ = 2520798. Its totient is φ = 2520796.

The previous prime is 2520781. The next prime is 2520821. The reversal of 2520797 is 7970252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2493241 + 27556 = 1579^2 + 166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520797 - 2⁴ = 2520781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260398 + 1260399.

It is an arithmetic number, because the mean of its divisors is an integer number (1260399).

2^2520797 is an apocalyptic number.

It is an amenable number.

2520797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520797 is an equidigital number, since it uses as much as digits as its factorization.

2520797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 2520797 is about 1587.7017981976. The cubic root of 2520797 is about 136.0961870011.

The spelling of 2520797 in words is "two million, five hundred twenty thousand, seven hundred ninety-seven".