561453037 has 2 divisors, whose sum is σ = 561453038. Its totient is φ = 561453036.

The previous prime is 561453017. The next prime is 561453049. The reversal of 561453037 is 730354165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347971716 + 213481321 = 18654^2 + 14611^2 .

It is a cyclic number.

It is not a de Polignac number, because 561453037 - 2²³ = 553064429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561452993 and 561453011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561453007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280726518 + 280726519.

It is an arithmetic number, because the mean of its divisors is an integer number (280726519).

Almost surely, 2^561453037 is an apocalyptic number.

It is an amenable number.

561453037 is a deficient number, since it is larger than the sum of its proper divisors (1).

561453037 is an equidigital number, since it uses as much as digits as its factorization.

561453037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 561453037 is about 23695.0002532180. Note that the first 3 decimals coincide. The cubic root of 561453037 is about 824.9693466419.

The spelling of 561453037 in words is "five hundred sixty-one million, four hundred fifty-three thousand, thirty-seven".