561448141 has 4 divisors (see below), whose sum is σ = 569828032. Its totient is φ = 553068252.

The previous prime is 561448127. The next prime is 561448163. The reversal of 561448141 is 141844165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561448141 - 2²¹ = 559350989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561448097 and 561448106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561448541) 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, 4189845 + ... + 4189978.

It is an arithmetic number, because the mean of its divisors is an integer number (142457008).

Almost surely, 2^561448141 is an apocalyptic number.

It is an amenable number.

561448141 is a deficient number, since it is larger than the sum of its proper divisors (8379891).

561448141 is an equidigital number, since it uses as much as digits as its factorization.

561448141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379890.

The product of its digits is 15360, while the sum is 34.

The square root of 561448141 is about 23694.8969400586. The cubic root of 561448141 is about 824.9669486606.

The spelling of 561448141 in words is "five hundred sixty-one million, four hundred forty-eight thousand, one hundred forty-one".