2752021261 has 8 divisors (see below), whose sum is σ = 3083346144. Its totient is φ = 2434219920.

The previous prime is 2752021253. The next prime is 2752021271. The reversal of 2752021261 is 1621202572.

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

It is not a de Polignac number, because 2752021261 - 2³ = 2752021253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752021211) 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, 3380455 + ... + 3381268.

It is an arithmetic number, because the mean of its divisors is an integer number (385418268).

Almost surely, 2^2752021261 is an apocalyptic number.

It is an amenable number.

2752021261 is a deficient number, since it is larger than the sum of its proper divisors (331324883).

2752021261 is a wasteful number, since it uses less digits than its factorization.

2752021261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761771.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2752021261 is about 52459.7108360311. The cubic root of 2752021261 is about 1401.3628329509.

The spelling of 2752021261 in words is "two billion, seven hundred fifty-two million, twenty-one thousand, two hundred sixty-one".