245813512 has 64 divisors (see below), whose sum is σ = 568684800. Its totient is φ = 97278720.

The previous prime is 245813501. The next prime is 245813527. The reversal of 245813512 is 215318542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34062 + ... + 40642.

It is an arithmetic number, because the mean of its divisors is an integer number (8885700).

Almost surely, 2^245813512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245813512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284342400).

245813512 is an abundant number, since it is smaller than the sum of its proper divisors (322871288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245813512 is a wasteful number, since it uses less digits than its factorization.

245813512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646 (or 6642 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 245813512 is about 15678.4409939254. The cubic root of 245813512 is about 626.4242820475.

The spelling of 245813512 in words is "two hundred forty-five million, eight hundred thirteen thousand, five hundred twelve".