2665253501 has 16 divisors (see below), whose sum is σ = 2828895744. Its totient is φ = 2505762864.

The previous prime is 2665253491. The next prime is 2665253533. The reversal of 2665253501 is 1053525662.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2665253501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665253401) 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 in 15 ways as a sum of consecutive naturals, for example, 804290 + ... + 807596.

It is an arithmetic number, because the mean of its divisors is an integer number (176805984).

Almost surely, 2^2665253501 is an apocalyptic number.

It is an amenable number.

2665253501 is a deficient number, since it is larger than the sum of its proper divisors (163642243).

2665253501 is a wasteful number, since it uses less digits than its factorization.

2665253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2665253501 is about 51626.0932184491. The cubic root of 2665253501 is about 1386.4775468308.

The spelling of 2665253501 in words is "two billion, six hundred sixty-five million, two hundred fifty-three thousand, five hundred one".