253196906 has 8 divisors (see below), whose sum is σ = 381426084. Its totient is φ = 126054880.

The previous prime is 253196897. The next prime is 253196917. The reversal of 253196906 is 609691352.

It can be written as a sum of positive squares in 2 ways, for example, as 235346281 + 17850625 = 15341^2 + 4225^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 271205 + ... + 272136.

Almost surely, 2^253196906 is an apocalyptic number.

253196906 is a deficient number, since it is larger than the sum of its proper divisors (128229178).

253196906 is a wasteful number, since it uses less digits than its factorization.

253196906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543576.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 253196906 is about 15912.1622037987. The cubic root of 253196906 is about 632.6343924354.

The spelling of 253196906 in words is "two hundred fifty-three million, one hundred ninety-six thousand, nine hundred six".