245849975 has 24 divisors (see below), whose sum is σ = 352834560. Its totient is φ = 166439520.

The previous prime is 245849969. The next prime is 245849977. The reversal of 245849975 is 579948542.

It is not a de Polignac number, because 245849975 - 2²⁰ = 244801399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245849977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4934 + ... + 22716.

It is an arithmetic number, because the mean of its divisors is an integer number (14701440).

Almost surely, 2^245849975 is an apocalyptic number.

245849975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245849975 is a deficient number, since it is larger than the sum of its proper divisors (106984585).

245849975 is a wasteful number, since it uses less digits than its factorization.

245849975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17879 (or 17874 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The square root of 245849975 is about 15679.6037896370. The cubic root of 245849975 is about 626.4552542794.

The spelling of 245849975 in words is "two hundred forty-five million, eight hundred forty-nine thousand, nine hundred seventy-five".