2904062561 has 4 divisors (see below), whose sum is σ = 2908579632. Its totient is φ = 2899545492.

The previous prime is 2904062537. The next prime is 2904062611. The reversal of 2904062561 is 1652604092.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2904062561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904262561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257571 + ... + 2258856.

It is an arithmetic number, because the mean of its divisors is an integer number (727144908).

Almost surely, 2^2904062561 is an apocalyptic number.

It is an amenable number.

2904062561 is a deficient number, since it is larger than the sum of its proper divisors (4517071).

2904062561 is an equidigital number, since it uses as much as digits as its factorization.

2904062561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517070.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2904062561 is about 53889.3548022242. The cubic root of 2904062561 is about 1426.7087430150.

The spelling of 2904062561 in words is "two billion, nine hundred four million, sixty-two thousand, five hundred sixty-one".