5342240561 has 4 divisors (see below), whose sum is σ = 6105417792. Its totient is φ = 4579063332.

The previous prime is 5342240513. The next prime is 5342240573. The reversal of 5342240561 is 1650422435.

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 a de Polignac number, because none of the positive numbers 2^k-5342240561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5342240161) 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, 381588605 + ... + 381588618.

It is an arithmetic number, because the mean of its divisors is an integer number (1526354448).

Almost surely, 2^5342240561 is an apocalyptic number.

It is an amenable number.

5342240561 is a deficient number, since it is larger than the sum of its proper divisors (763177231).

5342240561 is an equidigital number, since it uses as much as digits as its factorization.

5342240561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763177230.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 5342240561 is about 73090.6325119711. The cubic root of 5342240561 is about 1748.1330360105.

Adding to 5342240561 its reverse (1650422435), we get a palindrome (6992662996).

The spelling of 5342240561 in words is "five billion, three hundred forty-two million, two hundred forty thousand, five hundred sixty-one".