2620113571 has 2 divisors, whose sum is σ = 2620113572. Its totient is φ = 2620113570.

The previous prime is 2620113479. The next prime is 2620113589. The reversal of 2620113571 is 1753110262.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2620113571 - 2⁹ = 2620113059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2620113271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310056785 + 1310056786.

It is an arithmetic number, because the mean of its divisors is an integer number (1310056786).

Almost surely, 2^2620113571 is an apocalyptic number.

2620113571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620113571 is an equidigital number, since it uses as much as digits as its factorization.

2620113571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2620113571 is about 51187.0449528003. The cubic root of 2620113571 is about 1378.6056017848.

The spelling of 2620113571 in words is "two billion, six hundred twenty million, one hundred thirteen thousand, five hundred seventy-one".