2520434837 has 2 divisors, whose sum is σ = 2520434838. Its totient is φ = 2520434836.

The previous prime is 2520434821. The next prime is 2520434843. The reversal of 2520434837 is 7384340252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1396442161 + 1123992676 = 37369^2 + 33526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520434837 - 2⁴ = 2520434821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2520434837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520434867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260217418 + 1260217419.

It is an arithmetic number, because the mean of its divisors is an integer number (1260217419).

Almost surely, 2^2520434837 is an apocalyptic number.

It is an amenable number.

2520434837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520434837 is an equidigital number, since it uses as much as digits as its factorization.

2520434837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 2520434837 is about 50203.9324854139. The cubic root of 2520434837 is about 1360.8966904087.

The spelling of 2520434837 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, eight hundred thirty-seven".