561201442 has 8 divisors (see below), whose sum is σ = 886107600. Its totient is φ = 265832244.

The previous prime is 561201439. The next prime is 561201469. The reversal of 561201442 is 244102165.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7384192 + ... + 7384267.

It is an arithmetic number, because the mean of its divisors is an integer number (110763450).

Almost surely, 2^561201442 is an apocalyptic number.

561201442 is a deficient number, since it is larger than the sum of its proper divisors (324906158).

561201442 is a wasteful number, since it uses less digits than its factorization.

561201442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768480.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 561201442 is about 23689.6906269373. The cubic root of 561201442 is about 824.8461014430.

It can be divided in two parts, 561201 and 442, that multiplied together give a palindrome (248050842).

The spelling of 561201442 in words is "five hundred sixty-one million, two hundred one thousand, four hundred forty-two".