561241607 has 4 divisors (see below), whose sum is σ = 585643440. Its totient is φ = 536839776.

The previous prime is 561241531. The next prime is 561241609. The reversal of 561241607 is 706142165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706142165 = 5 ⋅141228433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561241607 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 (561241609) 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, 12200882 + ... + 12200927.

It is an arithmetic number, because the mean of its divisors is an integer number (146410860).

Almost surely, 2^561241607 is an apocalyptic number.

561241607 is a deficient number, since it is larger than the sum of its proper divisors (24401833).

561241607 is a wasteful number, since it uses less digits than its factorization.

561241607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24401832.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 561241607 is about 23690.5383433978. The cubic root of 561241607 is about 824.8657789603.

The spelling of 561241607 in words is "five hundred sixty-one million, two hundred forty-one thousand, six hundred seven".