561925051 has 2 divisors, whose sum is σ = 561925052. Its totient is φ = 561925050.

The previous prime is 561925037. The next prime is 561925073. The reversal of 561925051 is 150529165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561925051 - 2¹¹ = 561923003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561924998 and 561925016.

It is not a weakly prime, because it can be changed into another prime (561925151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280962525 + 280962526.

It is an arithmetic number, because the mean of its divisors is an integer number (280962526).

Almost surely, 2^561925051 is an apocalyptic number.

561925051 is a deficient number, since it is larger than the sum of its proper divisors (1).

561925051 is an equidigital number, since it uses as much as digits as its factorization.

561925051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 561925051 is about 23704.9583631779. The cubic root of 561925051 is about 825.2004660080.

The spelling of 561925051 in words is "five hundred sixty-one million, nine hundred twenty-five thousand, fifty-one".