2620562145 has 16 divisors (see below), whose sum is σ = 4232088000. Its totient is φ = 1384570304.

The previous prime is 2620562129. The next prime is 2620562159. The reversal of 2620562145 is 5412650262.

It is a cyclic number.

It is not a de Polignac number, because 2620562145 - 2⁴ = 2620562129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814770 + ... + 817979.

It is an arithmetic number, because the mean of its divisors is an integer number (264505500).

Almost surely, 2^2620562145 is an apocalyptic number.

It is an amenable number.

2620562145 is a deficient number, since it is larger than the sum of its proper divisors (1611525855).

2620562145 is a wasteful number, since it uses less digits than its factorization.

2620562145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632864.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2620562145 is about 51191.4264794409. The cubic root of 2620562145 is about 1378.6842715733.

The spelling of 2620562145 in words is "two billion, six hundred twenty million, five hundred sixty-two thousand, one hundred forty-five".