30755265 has 16 divisors (see below), whose sum is σ = 49884288. Its totient is φ = 16177536.

The previous prime is 30755213. The next prime is 30755269. The reversal of 30755265 is 56255703.

It is not a de Polignac number, because 30755265 - 2⁸ = 30755009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30755269) 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, 12949 + ... + 15138.

It is an arithmetic number, because the mean of its divisors is an integer number (3117768).

Almost surely, 2^30755265 is an apocalyptic number.

It is an amenable number.

30755265 is a deficient number, since it is larger than the sum of its proper divisors (19129023).

30755265 is a wasteful number, since it uses less digits than its factorization.

30755265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28168.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 30755265 is about 5545.7429619484. The cubic root of 30755265 is about 313.3092073120.

The spelling of 30755265 in words is "thirty million, seven hundred fifty-five thousand, two hundred sixty-five".