520265674 has 4 divisors (see below), whose sum is σ = 780398514. Its totient is φ = 260132836.

The previous prime is 520265659. The next prime is 520265693. The reversal of 520265674 is 476562025.

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., 284428225 + 235837449 = 16865^2 + 15357^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130066417 + ... + 130066420.

Almost surely, 2^520265674 is an apocalyptic number.

520265674 is a deficient number, since it is larger than the sum of its proper divisors (260132840).

520265674 is a wasteful number, since it uses less digits than its factorization.

520265674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260132839.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 520265674 is about 22809.3330459266. Note that the first 3 decimals coincide. The cubic root of 520265674 is about 804.2820774137.

It can be divided in two parts, 5202 and 65674, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 520265674 in words is "five hundred twenty million, two hundred sixty-five thousand, six hundred seventy-four".