561486353 has 12 divisors (see below), whose sum is σ = 614329380. Its totient is φ = 511395840.

The previous prime is 561486337. The next prime is 561486361. The reversal of 561486353 is 353684165.

It can be written as a sum of positive squares in 2 ways, for example, as 509314624 + 52171729 = 22568^2 + 7223^2 .

It is not a de Polignac number, because 561486353 - 2⁴ = 561486337 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 561486353.

It is not an unprimeable number, because it can be changed into a prime (561486383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (51194115).

Almost surely, 2^561486353 is an apocalyptic number.

It is an amenable number.

561486353 is a deficient number, since it is larger than the sum of its proper divisors (52843027).

561486353 is a wasteful number, since it uses less digits than its factorization.

561486353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34448 (or 34417 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 561486353 is about 23695.7032602959. The cubic root of 561486353 is about 824.9856639076.

The spelling of 561486353 in words is "five hundred sixty-one million, four hundred eighty-six thousand, three hundred fifty-three".