308173053 has 16 divisors (see below), whose sum is σ = 426873600. Its totient is φ = 197520960.

The previous prime is 308173049. The next prime is 308173079. The reversal of 308173053 is 350371803.

It is not a de Polignac number, because 308173053 - 2² = 308173049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 308173053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308173253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13383 + ... + 28203.

It is an arithmetic number, because the mean of its divisors is an integer number (26679600).

Almost surely, 2^308173053 is an apocalyptic number.

It is an amenable number.

308173053 is a deficient number, since it is larger than the sum of its proper divisors (118700547).

308173053 is a wasteful number, since it uses less digits than its factorization.

308173053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15092.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 308173053 is about 17554.8583873525. The cubic root of 308173053 is about 675.4577986322.

The spelling of 308173053 in words is "three hundred eight million, one hundred seventy-three thousand, fifty-three".