2065702501 has 8 divisors (see below), whose sum is σ = 2079794808. Its totient is φ = 2051640000.

The previous prime is 2065702481. The next prime is 2065702511. The reversal of 2065702501 is 1052075602.

It is a Cunningham number, because it is equal to 45450²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22752900 + 2042949601 = 4770^2 + 45199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2065702501 - 2⁵ = 2065702469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2065702501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065702511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141651 + ... + 155551.

It is an arithmetic number, because the mean of its divisors is an integer number (259974351).

Almost surely, 2^2065702501 is an apocalyptic number.

It is an amenable number.

2065702501 is a deficient number, since it is larger than the sum of its proper divisors (14092307).

2065702501 is a wasteful number, since it uses less digits than its factorization.

2065702501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2065702501 is about 45450.0000110011. Note that the first 4 decimals coincide. The cubic root of 2065702501 is about 1273.5693297145.

The spelling of 2065702501 in words is "two billion, sixty-five million, seven hundred two thousand, five hundred one".