245833449 has 4 divisors (see below), whose sum is σ = 327777936. Its totient is φ = 163888964.

The previous prime is 245833433. The next prime is 245833459. The reversal of 245833449 is 944338542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245833449 - 2⁴ = 245833433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245833449.

It is not an unprimeable number, because it can be changed into a prime (245833429) 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 3 ways as a sum of consecutive naturals, for example, 40972239 + ... + 40972244.

It is an arithmetic number, because the mean of its divisors is an integer number (81944484).

Almost surely, 2^245833449 is an apocalyptic number.

It is an amenable number.

245833449 is a deficient number, since it is larger than the sum of its proper divisors (81944487).

245833449 is an equidigital number, since it uses as much as digits as its factorization.

245833449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81944486.

The product of its digits is 414720, while the sum is 42.

The square root of 245833449 is about 15679.0767904236. The cubic root of 245833449 is about 626.4412172208.

The spelling of 245833449 in words is "two hundred forty-five million, eight hundred thirty-three thousand, four hundred forty-nine".