561001676 has 12 divisors (see below), whose sum is σ = 1033424280. Its totient is φ = 265737600.

The previous prime is 561001643. The next prime is 561001687. The reversal of 561001676 is 676100165.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3690725 + ... + 3690876.

It is an arithmetic number, because the mean of its divisors is an integer number (86118690).

Almost surely, 2^561001676 is an apocalyptic number.

It is an amenable number.

561001676 is a deficient number, since it is larger than the sum of its proper divisors (472422604).

561001676 is a wasteful number, since it uses less digits than its factorization.

561001676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381624 (or 7381622 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 561001676 is about 23685.4739450153. The cubic root of 561001676 is about 824.7482187285.

It can be divided in two parts, 561001 and 676, that multiplied together give a square (379236676 = 19474²).

The spelling of 561001676 in words is "five hundred sixty-one million, one thousand, six hundred seventy-six".