561854253 has 8 divisors (see below), whose sum is σ = 750094048. Its totient is φ = 374091984.

The previous prime is 561854243. The next prime is 561854257. The reversal of 561854253 is 352458165.

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

It is not a de Polignac number, because 561854253 - 2¹⁴ = 561837869 is a prime.

It is a super-2 number, since 2×561854253² = 631360403228376018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561854257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116626 + ... + 121347.

It is an arithmetic number, because the mean of its divisors is an integer number (93761756).

Almost surely, 2^561854253 is an apocalyptic number.

It is an amenable number.

561854253 is a deficient number, since it is larger than the sum of its proper divisors (188239795).

561854253 is a wasteful number, since it uses less digits than its factorization.

561854253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238763.

The product of its digits is 144000, while the sum is 39.

The square root of 561854253 is about 23703.4649998687. The cubic root of 561854253 is about 825.1658083633.

The spelling of 561854253 in words is "five hundred sixty-one million, eight hundred fifty-four thousand, two hundred fifty-three".