2520653797 has 2 divisors, whose sum is σ = 2520653798. Its totient is φ = 2520653796.

The previous prime is 2520653783. The next prime is 2520653819. The reversal of 2520653797 is 7973560252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2510611236 + 10042561 = 50106^2 + 3169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520653797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520653497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260326898 + 1260326899.

It is an arithmetic number, because the mean of its divisors is an integer number (1260326899).

Almost surely, 2^2520653797 is an apocalyptic number.

It is an amenable number.

2520653797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520653797 is an equidigital number, since it uses as much as digits as its factorization.

2520653797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 2520653797 is about 50206.1131437199. The cubic root of 2520653797 is about 1360.9360980679.

It can be divided in two parts, 25206 and 53797, that added together give a triangular number (79003 = T₃₉₇).

The spelling of 2520653797 in words is "two billion, five hundred twenty million, six hundred fifty-three thousand, seven hundred ninety-seven".