505545302425 has 12 divisors (see below), whose sum is σ = 636232537936. Its totient is φ = 398399878800.

The previous prime is 505545302419. The next prime is 505545302429. The reversal of 505545302425 is 524203545505.

It is not a de Polignac number, because 505545302425 - 2²¹ = 505543205273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505545302429) 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, 150907371 + ... + 150910720.

Almost surely, 2^505545302425 is an apocalyptic number.

It is an amenable number.

505545302425 is a deficient number, since it is larger than the sum of its proper divisors (130687235511).

505545302425 is a wasteful number, since it uses less digits than its factorization.

505545302425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301818168 (or 301818163 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 505545302425 in words is "five hundred five billion, five hundred forty-five million, three hundred two thousand, four hundred twenty-five".