245924889 has 16 divisors (see below), whose sum is σ = 378956160. Its totient is φ = 138948480.

The previous prime is 245924857. The next prime is 245924893. The reversal of 245924889 is 988429542.

It is not a de Polignac number, because 245924889 - 2⁵ = 245924857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245920889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63922 + ... + 67659.

It is an arithmetic number, because the mean of its divisors is an integer number (23684760).

Almost surely, 2^245924889 is an apocalyptic number.

It is an amenable number.

245924889 is a deficient number, since it is larger than the sum of its proper divisors (133031271).

245924889 is a wasteful number, since it uses less digits than its factorization.

245924889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131680.

The product of its digits is 1658880, while the sum is 51.

The square root of 245924889 is about 15681.9925073315. The cubic root of 245924889 is about 626.5188777731.

The spelling of 245924889 in words is "two hundred forty-five million, nine hundred twenty-four thousand, eight hundred eighty-nine".