520525034 has 4 divisors (see below), whose sum is σ = 780787554. Its totient is φ = 260262516.

The previous prime is 520525003. The next prime is 520525037. The reversal of 520525034 is 430525025.

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., 298425625 + 222099409 = 17275^2 + 14903^2 .

It is a super-2 number, since 2×520525034² = 541892622041402312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520524994 and 520525012.

It is not an unprimeable number, because it can be changed into a prime (520525037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130131257 + ... + 130131260.

Almost surely, 2^520525034 is an apocalyptic number.

520525034 is a deficient number, since it is larger than the sum of its proper divisors (260262520).

520525034 is a wasteful number, since it uses less digits than its factorization.

520525034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260262519.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 520525034 is about 22815.0177295570. The cubic root of 520525034 is about 804.4157039795.

Subtracting from 520525034 its reverse (430525025), we obtain a palindrome (90000009).

The spelling of 520525034 in words is "five hundred twenty million, five hundred twenty-five thousand, thirty-four".