561953703 has 8 divisors (see below), whose sum is σ = 751314688. Its totient is φ = 373614264.

The previous prime is 561953681. The next prime is 561953719. The reversal of 561953703 is 307359165.

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

It is not a de Polignac number, because 561953703 - 2¹² = 561949607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561953773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254101 + ... + 256302.

It is an arithmetic number, because the mean of its divisors is an integer number (93914336).

Almost surely, 2^561953703 is an apocalyptic number.

561953703 is a deficient number, since it is larger than the sum of its proper divisors (189360985).

561953703 is a wasteful number, since it uses less digits than its factorization.

561953703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510773.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 561953703 is about 23705.5627016108. The cubic root of 561953703 is about 825.2144911536.

The spelling of 561953703 in words is "five hundred sixty-one million, nine hundred fifty-three thousand, seven hundred three".