504161629 has 2 divisors, whose sum is σ = 504161630. Its totient is φ = 504161628.

The previous prime is 504161611. The next prime is 504161641. The reversal of 504161629 is 926161405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300328900 + 203832729 = 17330^2 + 14277^2 .

It is a cyclic number.

It is not a de Polignac number, because 504161629 - 2⁵ = 504161597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504161594 and 504161603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504161689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252080814 + 252080815.

It is an arithmetic number, because the mean of its divisors is an integer number (252080815).

Almost surely, 2^504161629 is an apocalyptic number.

It is an amenable number.

504161629 is a deficient number, since it is larger than the sum of its proper divisors (1).

504161629 is an equidigital number, since it uses as much as digits as its factorization.

504161629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 504161629 is about 22453.5437960247. The cubic root of 504161629 is about 795.8965027302.

The spelling of 504161629 in words is "five hundred four million, one hundred sixty-one thousand, six hundred twenty-nine".