520354466 has 4 divisors (see below), whose sum is σ = 780531702. Its totient is φ = 260177232.

The previous prime is 520354459. The next prime is 520354487. The reversal of 520354466 is 664453025.

It is a happy number.

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., 518518441 + 1836025 = 22771^2 + 1355^2 .

It is a super-2 number, since 2×520354466² = 541537540572290312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130088615 + ... + 130088618.

Almost surely, 2^520354466 is an apocalyptic number.

520354466 is a deficient number, since it is larger than the sum of its proper divisors (260177236).

520354466 is a wasteful number, since it uses less digits than its factorization.

520354466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260177235.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 520354466 is about 22811.2793591241. The cubic root of 520354466 is about 804.3278295204.

The spelling of 520354466 in words is "five hundred twenty million, three hundred fifty-four thousand, four hundred sixty-six".