561251037 has 8 divisors (see below), whose sum is σ = 780871104. Its totient is φ = 357899168.

The previous prime is 561250967. The next prime is 561251069. The reversal of 561251037 is 730152165.

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 561251037 - 2¹⁰ = 561250013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561250995 and 561251013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561252037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066968 + ... + 4067105.

It is an arithmetic number, because the mean of its divisors is an integer number (97608888).

Almost surely, 2^561251037 is an apocalyptic number.

It is an amenable number.

561251037 is a deficient number, since it is larger than the sum of its proper divisors (219620067).

561251037 is a wasteful number, since it uses less digits than its factorization.

561251037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134099.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 561251037 is about 23690.7373671653. The cubic root of 561251037 is about 824.8703987418.

The spelling of 561251037 in words is "five hundred sixty-one million, two hundred fifty-one thousand, thirty-seven".