561150751 has 8 divisors (see below), whose sum is σ = 642259584. Its totient is φ = 480278040.

The previous prime is 561150749. The next prime is 561150761. The reversal of 561150751 is 157051165.

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 561150751 - 2¹ = 561150749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561150761) 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, 53905 + ... + 63466.

It is an arithmetic number, because the mean of its divisors is an integer number (80282448).

Almost surely, 2^561150751 is an apocalyptic number.

561150751 is a deficient number, since it is larger than the sum of its proper divisors (81108833).

561150751 is a wasteful number, since it uses less digits than its factorization.

561150751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118061.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 561150751 is about 23688.6207069977. The cubic root of 561150751 is about 824.8212657188.

The spelling of 561150751 in words is "five hundred sixty-one million, one hundred fifty thousand, seven hundred fifty-one".