520620526 has 8 divisors (see below), whose sum is σ = 781823880. Its totient is φ = 260012568.

The previous prime is 520620523. The next prime is 520620553. The reversal of 520620526 is 625026025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×520620526³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520620494 and 520620503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520620521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146656 + ... + 150163.

It is an arithmetic number, because the mean of its divisors is an integer number (97727985).

Almost surely, 2^520620526 is an apocalyptic number.

520620526 is a deficient number, since it is larger than the sum of its proper divisors (261203354).

520620526 is a wasteful number, since it uses less digits than its factorization.

520620526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297698.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 520620526 is about 22817.1103779598. The cubic root of 520620526 is about 804.4648918588.

The spelling of 520620526 in words is "five hundred twenty million, six hundred twenty thousand, five hundred twenty-six".