253146830 has 16 divisors (see below), whose sum is σ = 482468400. Its totient is φ = 95302272.

The previous prime is 253146769. The next prime is 253146851. The reversal of 253146830 is 38641352.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744380 + ... + 744719.

It is an arithmetic number, because the mean of its divisors is an integer number (30154275).

Almost surely, 2^253146830 is an apocalyptic number.

253146830 is a deficient number, since it is larger than the sum of its proper divisors (229321570).

253146830 is a wasteful number, since it uses less digits than its factorization.

253146830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489123.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 253146830 is about 15910.5886126190. The cubic root of 253146830 is about 632.5926832783.

The spelling of 253146830 in words is "two hundred fifty-three million, one hundred forty-six thousand, eight hundred thirty".