245513106 has 48 divisors (see below), whose sum is σ = 554893248. Its totient is φ = 81356400.

The previous prime is 245513083. The next prime is 245513113. The reversal of 245513106 is 601315542.

245513106 is a `hidden beast` number, since 2 + 4 + 551 + 3 + 106 = 666.

245513106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 245513106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86571 + ... + 89361.

It is an arithmetic number, because the mean of its divisors is an integer number (11560276).

Almost surely, 2^245513106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245513106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277446624).

245513106 is an abundant number, since it is smaller than the sum of its proper divisors (309380142).

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

245513106 is a wasteful number, since it uses less digits than its factorization.

245513106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 245513106 is about 15668.8578396768. The cubic root of 245513106 is about 626.1689959411.

Adding to 245513106 its reverse (601315542), we get a palindrome (846828648).

The spelling of 245513106 in words is "two hundred forty-five million, five hundred thirteen thousand, one hundred six".