2575765501 has 2 divisors, whose sum is σ = 2575765502. Its totient is φ = 2575765500.

The previous prime is 2575765481. The next prime is 2575765513. The reversal of 2575765501 is 1055675752.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086205625 + 489559876 = 45675^2 + 22126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575765501 - 2⁷ = 2575765373 is a prime.

It is a super-2 number, since 2×2575765501² = 13269135832283562002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575765901) 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, 1287882750 + 1287882751.

It is an arithmetic number, because the mean of its divisors is an integer number (1287882751).

Almost surely, 2^2575765501 is an apocalyptic number.

It is an amenable number.

2575765501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575765501 is an equidigital number, since it uses as much as digits as its factorization.

2575765501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367500, while the sum is 43.

The square root of 2575765501 is about 50751.9999704445. Note that the first 4 decimals coincide. The cubic root of 2575765501 is about 1370.7832026958.

The spelling of 2575765501 in words is "two billion, five hundred seventy-five million, seven hundred sixty-five thousand, five hundred one".