2996097561 has 24 divisors (see below), whose sum is σ = 4740283080. Its totient is φ = 1815077376.

The previous prime is 2996097557. The next prime is 2996097571. The reversal of 2996097561 is 1657906992.

2996097561 is a `hidden beast` number, since 29 + 9 + 609 + 7 + 5 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 159896025 + 2836201536 = 12645^2 + 53256^2 .

It is not a de Polignac number, because 2996097561 - 2² = 2996097557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2996097498 and 2996097507.

It is not an unprimeable number, because it can be changed into a prime (2996097551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333190 + ... + 342063.

It is an arithmetic number, because the mean of its divisors is an integer number (197511795).

Almost surely, 2^2996097561 is an apocalyptic number.

It is an amenable number.

2996097561 is a deficient number, since it is larger than the sum of its proper divisors (1744185519).

2996097561 is a wasteful number, since it uses less digits than its factorization.

2996097561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675305 (or 675302 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 2996097561 is about 54736.6199266999. The cubic root of 2996097561 is about 1441.6239332866.

The spelling of 2996097561 in words is "two billion, nine hundred ninety-six million, ninety-seven thousand, five hundred sixty-one".