30540505 has 16 divisors (see below), whose sum is σ = 38851200. Its totient is φ = 22982400.

The previous prime is 30540493. The next prime is 30540529. The reversal of 30540505 is 50504503.

It is a happy number.

It is not a de Polignac number, because 30540505 - 2⁵ = 30540473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13281 + ... + 15409.

It is an arithmetic number, because the mean of its divisors is an integer number (2428200).

Almost surely, 2^30540505 is an apocalyptic number.

It is an amenable number.

30540505 is a deficient number, since it is larger than the sum of its proper divisors (8310695).

30540505 is a wasteful number, since it uses less digits than its factorization.

30540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 30540505 is about 5526.3464422709. The cubic root of 30540505 is about 312.5782374775.

The spelling of 30540505 in words is "thirty million, five hundred forty thousand, five hundred five".