520325354 has 4 divisors (see below), whose sum is σ = 780488034. Its totient is φ = 260162676.

The previous prime is 520325293. The next prime is 520325357. The reversal of 520325354 is 453523025.

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., 369600625 + 150724729 = 19225^2 + 12277^2 .

It is not an unprimeable number, because it can be changed into a prime (520325357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130081337 + ... + 130081340.

Almost surely, 2^520325354 is an apocalyptic number.

520325354 is a deficient number, since it is larger than the sum of its proper divisors (260162680).

520325354 is a wasteful number, since it uses less digits than its factorization.

520325354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260162679.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 520325354 is about 22810.6412448226. The cubic root of 520325354 is about 804.3128294708.

Adding to 520325354 its reverse (453523025), we get a palindrome (973848379).

The spelling of 520325354 in words is "five hundred twenty million, three hundred twenty-five thousand, three hundred fifty-four".