3561052947 has 16 divisors (see below), whose sum is σ = 4970676480. Its totient is φ = 2263406112.

The previous prime is 3561052939. The next prime is 3561052961. The reversal of 3561052947 is 7492501653.

It is not a de Polignac number, because 3561052947 - 2³ = 3561052939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3561052899 and 3561052908.

It is not an unprimeable number, because it can be changed into a prime (3561052907) 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, 62872 + ... + 105237.

It is an arithmetic number, because the mean of its divisors is an integer number (310667280).

Almost surely, 2^3561052947 is an apocalyptic number.

3561052947 is a deficient number, since it is larger than the sum of its proper divisors (1409623533).

3561052947 is a wasteful number, since it uses less digits than its factorization.

3561052947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168442.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 3561052947 is about 59674.5586242580. The cubic root of 3561052947 is about 1527.0718694636.

The spelling of 3561052947 in words is "three billion, five hundred sixty-one million, fifty-two thousand, nine hundred forty-seven".