30800253 has 16 divisors (see below), whose sum is σ = 45248832. Its totient is φ = 18480000.

The previous prime is 30800251. The next prime is 30800269. The reversal of 30800253 is 35200803.

It is not a de Polignac number, because 30800253 - 2¹ = 30800251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30800251) 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, 1288 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (2828052).

Almost surely, 2^30800253 is an apocalyptic number.

30800253 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30800253 is a deficient number, since it is larger than the sum of its proper divisors (14448579).

30800253 is a wasteful number, since it uses less digits than its factorization.

30800253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30800253 is about 5549.7975638756. The cubic root of 30800253 is about 313.4618997320.

The spelling of 30800253 in words is "thirty million, eight hundred thousand, two hundred fifty-three".