505425473401 has 4 divisors (see below), whose sum is σ = 505762650000. Its totient is φ = 505088296804.

The previous prime is 505425473389. The next prime is 505425473431. The reversal of 505425473401 is 104374524505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505425473401 - 2²⁷ = 505291255673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505425473431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168586051 + ... + 168589048.

It is an arithmetic number, because the mean of its divisors is an integer number (126440662500).

Almost surely, 2^505425473401 is an apocalyptic number.

It is an amenable number.

505425473401 is a deficient number, since it is larger than the sum of its proper divisors (337176599).

505425473401 is a wasteful number, since it uses less digits than its factorization.

505425473401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337176598.

The product of its (nonzero) digits is 336000, while the sum is 40.

Adding to 505425473401 its reverse (104374524505), we get a palindrome (609799997906).

The spelling of 505425473401 in words is "five hundred five billion, four hundred twenty-five million, four hundred seventy-three thousand, four hundred one".