505007705 has 8 divisors (see below), whose sum is σ = 612257352. Its totient is φ = 399840768.

The previous prime is 505007681. The next prime is 505007749. The reversal of 505007705 is 507700505.

It can be written as a sum of positive squares in 4 ways, for example, as 115498009 + 389509696 = 10747^2 + 19736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505007705 - 2⁶ = 505007641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520142 + ... + 521111.

It is an arithmetic number, because the mean of its divisors is an integer number (76532169).

Almost surely, 2^505007705 is an apocalyptic number.

It is an amenable number.

505007705 is a deficient number, since it is larger than the sum of its proper divisors (107249647).

505007705 is a wasteful number, since it uses less digits than its factorization.

505007705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041355.

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 505007705 is about 22472.3764875903. The cubic root of 505007705 is about 796.3414741780.

The spelling of 505007705 in words is "five hundred five million, seven thousand, seven hundred five".