507763561 has 2 divisors, whose sum is σ = 507763562. Its totient is φ = 507763560.

The previous prime is 507763549. The next prime is 507763577. The reversal of 507763561 is 165367705.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466560000 + 41203561 = 21600^2 + 6419^2 .

It is a cyclic number.

It is not a de Polignac number, because 507763561 - 2¹⁵ = 507730793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (507763261) 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, 253881780 + 253881781.

It is an arithmetic number, because the mean of its divisors is an integer number (253881781).

Almost surely, 2^507763561 is an apocalyptic number.

It is an amenable number.

507763561 is a deficient number, since it is larger than the sum of its proper divisors (1).

507763561 is an equidigital number, since it uses as much as digits as its factorization.

507763561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 507763561 is about 22533.6095865709. The cubic root of 507763561 is about 797.7874075390.

The spelling of 507763561 in words is "five hundred seven million, seven hundred sixty-three thousand, five hundred sixty-one".