245358349 has 4 divisors (see below), whose sum is σ = 245390236. Its totient is φ = 245326464.

The previous prime is 245358341. The next prime is 245358353. The reversal of 245358349 is 943853542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 108889225 + 136469124 = 10435^2 + 11682^2 .

It is a cyclic number.

It is not a de Polignac number, because 245358349 - 2³ = 245358341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245358341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517 + ... + 22429.

It is an arithmetic number, because the mean of its divisors is an integer number (61347559).

Almost surely, 2^245358349 is an apocalyptic number.

It is an amenable number.

245358349 is a deficient number, since it is larger than the sum of its proper divisors (31887).

245358349 is a wasteful number, since it uses less digits than its factorization.

245358349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31886.

The product of its digits is 518400, while the sum is 43.

The square root of 245358349 is about 15663.9186987165. The cubic root of 245358349 is about 626.0374016040.

The spelling of 245358349 in words is "two hundred forty-five million, three hundred fifty-eight thousand, three hundred forty-nine".