520207149 has 16 divisors (see below), whose sum is σ = 864760320. Its totient is φ = 270237360.

The previous prime is 520207147. The next prime is 520207153. The reversal of 520207149 is 941702025.

It is not a de Polignac number, because 520207149 - 2¹ = 520207147 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520207147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125759 + ... + 1126220.

It is an arithmetic number, because the mean of its divisors is an integer number (54047520).

Almost surely, 2^520207149 is an apocalyptic number.

It is an amenable number.

520207149 is a deficient number, since it is larger than the sum of its proper divisors (344553171).

520207149 is a wasteful number, since it uses less digits than its factorization.

520207149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252000.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 520207149 is about 22808.0500920179. The cubic root of 520207149 is about 804.2519182238.

The spelling of 520207149 in words is "five hundred twenty million, two hundred seven thousand, one hundred forty-nine".