515056466 has 4 divisors (see below), whose sum is σ = 772584702. Its totient is φ = 257528232.

The previous prime is 515056459. The next prime is 515056481. The reversal of 515056466 is 664650515.

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., 502701241 + 12355225 = 22421^2 + 3515^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128764115 + ... + 128764118.

Almost surely, 2^515056466 is an apocalyptic number.

515056466 is a deficient number, since it is larger than the sum of its proper divisors (257528236).

515056466 is a wasteful number, since it uses less digits than its factorization.

515056466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257528235.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 515056466 is about 22694.8554963454. The cubic root of 515056466 is about 801.5887521197.

It can be divided in two parts, 5150 and 56466, that added together give a palindrome (61616).

The spelling of 515056466 in words is "five hundred fifteen million, fifty-six thousand, four hundred sixty-six".