30493255 has 8 divisors (see below), whose sum is σ = 39406752. Its totient is φ = 22518048.

The previous prime is 30493249. The next prime is 30493259. The reversal of 30493255 is 55239403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30493255 - 2³ = 30493247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30493259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234499 + ... + 234628.

It is an arithmetic number, because the mean of its divisors is an integer number (4925844).

Almost surely, 2^30493255 is an apocalyptic number.

30493255 is a deficient number, since it is larger than the sum of its proper divisors (8913497).

30493255 is a wasteful number, since it uses less digits than its factorization.

30493255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469145.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 30493255 is about 5522.0698112212. The cubic root of 30493255 is about 312.4169549999.

The spelling of 30493255 in words is "thirty million, four hundred ninety-three thousand, two hundred fifty-five".