2520443 has 2 divisors, whose sum is σ = 2520444. Its totient is φ = 2520442.

The previous prime is 2520439. The next prime is 2520451. The reversal of 2520443 is 3440252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520443 - 2² = 2520439 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260221 + 1260222.

It is an arithmetic number, because the mean of its divisors is an integer number (1260222).

2^2520443 is an apocalyptic number.

2520443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520443 is an equidigital number, since it uses as much as digits as its factorization.

2520443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2520443 is about 1587.5903123917. The cubic root of 2520443 is about 136.0898159598.

Adding to 2520443 its reverse (3440252), we get a palindrome (5960695).

The spelling of 2520443 in words is "two million, five hundred twenty thousand, four hundred forty-three".