561424315 has 4 divisors (see below), whose sum is σ = 673709184. Its totient is φ = 449139448.

The previous prime is 561424313. The next prime is 561424327. The reversal of 561424315 is 513424165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513424165 = 5 ⋅102684833.

It is a cyclic number.

It is not a de Polignac number, because 561424315 - 2¹ = 561424313 is a prime.

It is a super-2 number, since 2×561424315² = 630394522946438450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561424313) 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, 56142427 + ... + 56142436.

It is an arithmetic number, because the mean of its divisors is an integer number (168427296).

Almost surely, 2^561424315 is an apocalyptic number.

561424315 is a deficient number, since it is larger than the sum of its proper divisors (112284869).

561424315 is a wasteful number, since it uses less digits than its factorization.

561424315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112284868.

The product of its digits is 14400, while the sum is 31.

The square root of 561424315 is about 23694.3941682416. The cubic root of 561424315 is about 824.9552788737.

It can be divided in two parts, 5614 and 24315, that added together give a square (29929 = 173²).

The spelling of 561424315 in words is "five hundred sixty-one million, four hundred twenty-four thousand, three hundred fifteen".