305214530 has 16 divisors (see below), whose sum is σ = 567108864. Its totient is φ = 118147440.

The previous prime is 305214527. The next prime is 305214541. The reversal of 305214530 is 35412503.

It is a junction number, because it is equal to n+sod(n) for n = 305214496 and 305214505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491972 + ... + 492591.

It is an arithmetic number, because the mean of its divisors is an integer number (35444304).

Almost surely, 2^305214530 is an apocalyptic number.

305214530 is a deficient number, since it is larger than the sum of its proper divisors (261894334).

305214530 is a wasteful number, since it uses less digits than its factorization.

305214530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984601.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 305214530 is about 17470.3900929544. The cubic root of 305214530 is about 673.2893344993.

The spelling of 305214530 in words is "three hundred five million, two hundred fourteen thousand, five hundred thirty".