503911061 has 2 divisors, whose sum is σ = 503911062. Its totient is φ = 503911060.

The previous prime is 503911049. The next prime is 503911073. The reversal of 503911061 is 160119305.

It is a balanced prime because it is at equal distance from previous prime (503911049) and next prime (503911073).

It can be written as a sum of positive squares in only one way, i.e., 361228036 + 142683025 = 19006^2 + 11945^2 .

It is a cyclic number.

It is not a de Polignac number, because 503911061 - 2¹⁰ = 503910037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503911061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503911021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251955530 + 251955531.

It is an arithmetic number, because the mean of its divisors is an integer number (251955531).

Almost surely, 2^503911061 is an apocalyptic number.

It is an amenable number.

503911061 is a deficient number, since it is larger than the sum of its proper divisors (1).

503911061 is an equidigital number, since it uses as much as digits as its factorization.

503911061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 503911061 is about 22447.9634042824. The cubic root of 503911061 is about 795.7646275333.

The spelling of 503911061 in words is "five hundred three million, nine hundred eleven thousand, sixty-one".