30530258 has 32 divisors (see below), whose sum is σ = 52081920. Its totient is φ = 13300560.

The previous prime is 30530251. The next prime is 30530263. The reversal of 30530258 is 85203503.

It is not an unprimeable number, because it can be changed into a prime (30530251) 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, 55541 + ... + 56087.

It is an arithmetic number, because the mean of its divisors is an integer number (1627560).

Almost surely, 2^30530258 is an apocalyptic number.

30530258 is a deficient number, since it is larger than the sum of its proper divisors (21551662).

30530258 is a wasteful number, since it uses less digits than its factorization.

30530258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30530258 is about 5525.4192601105. The cubic root of 30530258 is about 312.5432746471.

The spelling of 30530258 in words is "thirty million, five hundred thirty thousand, two hundred fifty-eight".