505424341225 has 12 divisors (see below), whose sum is σ = 638551207116. Its totient is φ = 396710425280.

The previous prime is 505424341199. The next prime is 505424341229. The reversal of 505424341225 is 522143424505.

It can be written as a sum of positive squares in 6 ways, for example, as 4205652201 + 501218689024 = 64851^2 + 707968^2 .

It is not a de Polignac number, because 505424341225 - 2²⁹ = 504887470313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505424341229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190724842 + ... + 190727491.

It is an arithmetic number, because the mean of its divisors is an integer number (53212600593).

Almost surely, 2^505424341225 is an apocalyptic number.

It is an amenable number.

505424341225 is a deficient number, since it is larger than the sum of its proper divisors (133126865891).

505424341225 is a wasteful number, since it uses less digits than its factorization.

505424341225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381452396 (or 381452391 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 505424341225 in words is "five hundred five billion, four hundred twenty-four million, three hundred forty-one thousand, two hundred twenty-five".