304213097 has 4 divisors (see below), whose sum is σ = 304421376. Its totient is φ = 304004820.

The previous prime is 304213087. The next prime is 304213099. The reversal of 304213097 is 790312403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790312403 = 379 ⋅2085257.

It is a cyclic number.

It is not a de Polignac number, because 304213097 - 2⁴ = 304213081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304213099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101933 + ... + 104874.

It is an arithmetic number, because the mean of its divisors is an integer number (76105344).

Almost surely, 2^304213097 is an apocalyptic number.

It is an amenable number.

304213097 is a deficient number, since it is larger than the sum of its proper divisors (208279).

304213097 is a wasteful number, since it uses less digits than its factorization.

304213097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208278.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 304213097 is about 17441.7056792047. The cubic root of 304213097 is about 672.5521558201.

The spelling of 304213097 in words is "three hundred four million, two hundred thirteen thousand, ninety-seven".