561476397 has 8 divisors (see below), whose sum is σ = 752555520. Its totient is φ = 372357440.

The previous prime is 561476393. The next prime is 561476411. The reversal of 561476397 is 793674165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 561476397 - 2² = 561476393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561476393) 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, 489372 + ... + 490517.

It is an arithmetic number, because the mean of its divisors is an integer number (94069440).

Almost surely, 2^561476397 is an apocalyptic number.

It is an amenable number.

561476397 is a deficient number, since it is larger than the sum of its proper divisors (191079123).

561476397 is a wasteful number, since it uses less digits than its factorization.

561476397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980083.

The product of its digits is 952560, while the sum is 48.

The square root of 561476397 is about 23695.4931790837. The cubic root of 561476397 is about 824.9807877987.

The spelling of 561476397 in words is "five hundred sixty-one million, four hundred seventy-six thousand, three hundred ninety-seven".