505248946 has 4 divisors (see below), whose sum is σ = 757873422. Its totient is φ = 252624472.

The previous prime is 505248937. The next prime is 505248967. The reversal of 505248946 is 649842505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 329023321 + 176225625 = 18139^2 + 13275^2 .

It is a super-2 number, since 2×505248946² = 510552994868221832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126312235 + ... + 126312238.

Almost surely, 2^505248946 is an apocalyptic number.

505248946 is a deficient number, since it is larger than the sum of its proper divisors (252624476).

505248946 is a wasteful number, since it uses less digits than its factorization.

505248946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252624475.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 505248946 is about 22477.7433475872. The cubic root of 505248946 is about 796.4682574790.

The spelling of 505248946 in words is "five hundred five million, two hundred forty-eight thousand, nine hundred forty-six".