2520075769 has 2 divisors, whose sum is σ = 2520075770. Its totient is φ = 2520075768.

The previous prime is 2520075763. The next prime is 2520075787. The reversal of 2520075769 is 9675700252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2439075769 + 81000000 = 49387^2 + 9000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520075769 - 2²³ = 2511687161 is a prime.

It is a super-2 number, since 2×2520075769² = 12701563763001882722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2520075763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260037884 + 1260037885.

It is an arithmetic number, because the mean of its divisors is an integer number (1260037885).

Almost surely, 2^2520075769 is an apocalyptic number.

It is an amenable number.

2520075769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520075769 is an equidigital number, since it uses as much as digits as its factorization.

2520075769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 2520075769 is about 50200.3562636761. The cubic root of 2520075769 is about 1360.8320616586.

The spelling of 2520075769 in words is "two billion, five hundred twenty million, seventy-five thousand, seven hundred sixty-nine".