520797141 has 32 divisors (see below), whose sum is σ = 790041600. Its totient is φ = 338975280.

The previous prime is 520797131. The next prime is 520797157. The reversal of 520797141 is 141797025.

It is a happy number.

520797141 is a `hidden beast` number, since 520 + 7 + 97 + 1 + 41 = 666.

It is not a de Polignac number, because 520797141 - 2¹⁸ = 520534997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520797096 and 520797105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520797131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203850 + ... + 206388.

It is an arithmetic number, because the mean of its divisors is an integer number (24688800).

Almost surely, 2^520797141 is an apocalyptic number.

It is an amenable number.

520797141 is a deficient number, since it is larger than the sum of its proper divisors (269244459).

520797141 is a wasteful number, since it uses less digits than its factorization.

520797141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 520797141 is about 22820.9802813113. The cubic root of 520797141 is about 804.5558503057. Note that the first 3 decimals are identical.

The spelling of 520797141 in words is "five hundred twenty million, seven hundred ninety-seven thousand, one hundred forty-one".