305525013 has 8 divisors (see below), whose sum is σ = 407504928. Its totient is φ = 203614224.

The previous prime is 305524991. The next prime is 305525029. The reversal of 305525013 is 310525503.

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

It is not a de Polignac number, because 305525013 - 2¹³ = 305516821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305525053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5895 + ... + 25412.

It is an arithmetic number, because the mean of its divisors is an integer number (50938116).

Almost surely, 2^305525013 is an apocalyptic number.

It is an amenable number.

305525013 is a deficient number, since it is larger than the sum of its proper divisors (101979915).

305525013 is a wasteful number, since it uses less digits than its factorization.

305525013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34563.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 305525013 is about 17479.2738121468. The cubic root of 305525013 is about 673.5175609078.

The spelling of 305525013 in words is "three hundred five million, five hundred twenty-five thousand, thirteen".