30013255 has 16 divisors (see below), whose sum is σ = 38314080. Its totient is φ = 22505472.

The previous prime is 30013201. The next prime is 30013283. The reversal of 30013255 is 55231003.

It is a cyclic number.

It is not a de Polignac number, because 30013255 - 2¹⁷ = 29882183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7587 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (2394630).

Almost surely, 2^30013255 is an apocalyptic number.

30013255 is a deficient number, since it is larger than the sum of its proper divisors (8300825).

30013255 is a wasteful number, since it uses less digits than its factorization.

30013255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30013255 is about 5478.4354518421. The cubic root of 30013255 is about 310.7690064871.

Adding to 30013255 its reverse (55231003), we get a palindrome (85244258).

The spelling of 30013255 in words is "thirty million, thirteen thousand, two hundred fifty-five".