308242825 has 12 divisors (see below), whose sum is σ = 416968848. Its totient is φ = 224176400.

The previous prime is 308242801. The next prime is 308242829. The reversal of 308242825 is 528242803.

It is a happy number.

It is not a de Polignac number, because 308242825 - 2¹⁷ = 308111753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308242829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 560167 + ... + 560716.

It is an arithmetic number, because the mean of its divisors is an integer number (34747404).

Almost surely, 2^308242825 is an apocalyptic number.

It is an amenable number.

308242825 is a deficient number, since it is larger than the sum of its proper divisors (108726023).

308242825 is a wasteful number, since it uses less digits than its factorization.

308242825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120904 (or 1120899 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 308242825 is about 17556.8455310172. The cubic root of 308242825 is about 675.5087705183.

The spelling of 308242825 in words is "three hundred eight million, two hundred forty-two thousand, eight hundred twenty-five".