504051161 has 2 divisors, whose sum is σ = 504051162. Its totient is φ = 504051160.

The previous prime is 504051143. The next prime is 504051179. The reversal of 504051161 is 161150405.

It is a balanced prime because it is at equal distance from previous prime (504051143) and next prime (504051179).

It can be written as a sum of positive squares in only one way, i.e., 502656400 + 1394761 = 22420^2 + 1181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504051161 is a prime.

It is not a weakly prime, because it can be changed into another prime (504051061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252025580 + 252025581.

It is an arithmetic number, because the mean of its divisors is an integer number (252025581).

Almost surely, 2^504051161 is an apocalyptic number.

It is an amenable number.

504051161 is a deficient number, since it is larger than the sum of its proper divisors (1).

504051161 is an equidigital number, since it uses as much as digits as its factorization.

504051161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 504051161 is about 22451.0837377620. The cubic root of 504051161 is about 795.8383682536.

The spelling of 504051161 in words is "five hundred four million, fifty-one thousand, one hundred sixty-one".