245334009 has 16 divisors (see below), whose sum is σ = 334631360. Its totient is φ = 159831360.

The previous prime is 245333981. The next prime is 245334029. The reversal of 245334009 is 900433542.

It is not a de Polignac number, because 245334009 - 2⁹ = 245333497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245334029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24462 + ... + 33000.

It is an arithmetic number, because the mean of its divisors is an integer number (20914460).

Almost surely, 2^245334009 is an apocalyptic number.

It is an amenable number.

245334009 is a deficient number, since it is larger than the sum of its proper divisors (89297351).

245334009 is a wasteful number, since it uses less digits than its factorization.

245334009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 245334009 is about 15663.1417346585. The cubic root of 245334009 is about 626.0166995651.

The spelling of 245334009 in words is "two hundred forty-five million, three hundred thirty-four thousand, nine".