561925363 has 2 divisors, whose sum is σ = 561925364. Its totient is φ = 561925362.

The previous prime is 561925349. The next prime is 561925367. The reversal of 561925363 is 363529165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561925363 - 2¹³ = 561917171 is a prime.

It is a super-2 number, since 2×561925363² = 631520227165363538, which contains 22 as substring.

It is equal to p_29437690 and since 561925363 and 29437690 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (561925367) 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 as a sum of consecutive naturals, namely, 280962681 + 280962682.

It is an arithmetic number, because the mean of its divisors is an integer number (280962682).

Almost surely, 2^561925363 is an apocalyptic number.

561925363 is a deficient number, since it is larger than the sum of its proper divisors (1).

561925363 is an equidigital number, since it uses as much as digits as its factorization.

561925363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 40.

The square root of 561925363 is about 23704.9649440787. The cubic root of 561925363 is about 825.2006187345.

The spelling of 561925363 in words is "five hundred sixty-one million, nine hundred twenty-five thousand, three hundred sixty-three".