505340626 has 12 divisors (see below), whose sum is σ = 881767998. Its totient is φ = 216574512.

The previous prime is 505340581. The next prime is 505340629. The reversal of 505340626 is 626043505.

It can be written as a sum of positive squares in only one way, i.e., 382241601 + 123099025 = 19551^2 + 11095^2 .

It is not an unprimeable number, because it can be changed into a prime (505340629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2578171 + ... + 2578366.

Almost surely, 2^505340626 is an apocalyptic number.

505340626 is a deficient number, since it is larger than the sum of its proper divisors (376427372).

505340626 is a wasteful number, since it uses less digits than its factorization.

505340626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156553 (or 5156546 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 505340626 is about 22479.7826057104. The cubic root of 505340626 is about 796.5164289756.

The spelling of 505340626 in words is "five hundred five million, three hundred forty thousand, six hundred twenty-six".