2510320561 has 16 divisors (see below), whose sum is σ = 2920752000. Its totient is φ = 2113170048.

The previous prime is 2510320507. The next prime is 2510320577. The reversal of 2510320561 is 1650230152.

It is a cyclic number.

It is not a de Polignac number, because 2510320561 - 2⁷ = 2510320433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2510320061) 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, 79306 + ... + 106348.

It is an arithmetic number, because the mean of its divisors is an integer number (182547000).

Almost surely, 2^2510320561 is an apocalyptic number.

It is an amenable number.

2510320561 is a deficient number, since it is larger than the sum of its proper divisors (410431439).

2510320561 is a wasteful number, since it uses less digits than its factorization.

2510320561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27288.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2510320561 is about 50103.0993153118. The cubic root of 2510320561 is about 1359.0738650289.

The spelling of 2510320561 in words is "two billion, five hundred ten million, three hundred twenty thousand, five hundred sixty-one".