2620770253 has 16 divisors (see below), whose sum is σ = 2683998720. Its totient is φ = 2558484864.

The previous prime is 2620770227. The next prime is 2620770289. The reversal of 2620770253 is 3520770262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620770253 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 (2620770203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184000 + ... + 3184822.

It is an arithmetic number, because the mean of its divisors is an integer number (167749920).

Almost surely, 2^2620770253 is an apocalyptic number.

It is an amenable number.

2620770253 is a deficient number, since it is larger than the sum of its proper divisors (63228467).

2620770253 is a wasteful number, since it uses less digits than its factorization.

2620770253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 2620770253 is about 51193.4590841447. The cubic root of 2620770253 is about 1378.7207659863.

Subtracting 2620770253 from its reverse (3520770262), we obtain a palindrome (900000009).

The spelling of 2620770253 in words is "two billion, six hundred twenty million, seven hundred seventy thousand, two hundred fifty-three".