683624561 has 8 divisors (see below), whose sum is σ = 715510464. Its totient is φ = 651918960.

The previous prime is 683624549. The next prime is 683624647. The reversal of 683624561 is 165426386.

683624561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 683624561 - 2¹⁰ = 683623537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (683624261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37286 + ... + 52511.

It is an arithmetic number, because the mean of its divisors is an integer number (89438808).

Almost surely, 2^683624561 is an apocalyptic number.

It is an amenable number.

683624561 is a deficient number, since it is larger than the sum of its proper divisors (31885903).

683624561 is a wasteful number, since it uses less digits than its factorization.

683624561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90151.

The product of its digits is 207360, while the sum is 41.

The square root of 683624561 is about 26146.2150415696. The cubic root of 683624561 is about 880.9255761631.

The spelling of 683624561 in words is "six hundred eighty-three million, six hundred twenty-four thousand, five hundred sixty-one".