504421505 has 32 divisors (see below), whose sum is σ = 727453440. Its totient is φ = 328446720.

The previous prime is 504421469. The next prime is 504421513. The reversal of 504421505 is 505124405.

It is not a de Polignac number, because 504421505 - 2¹² = 504417409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57842 + ... + 65988.

It is an arithmetic number, because the mean of its divisors is an integer number (22732920).

Almost surely, 2^504421505 is an apocalyptic number.

It is an amenable number.

504421505 is a deficient number, since it is larger than the sum of its proper divisors (223031935).

504421505 is a wasteful number, since it uses less digits than its factorization.

504421505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 504421505 is about 22459.3300211738. The cubic root of 504421505 is about 796.0332306228.

The spelling of 504421505 in words is "five hundred four million, four hundred twenty-one thousand, five hundred five".