245517060 has 72 divisors (see below), whose sum is σ = 730316160. Its totient is φ = 61615616.

The previous prime is 245517059. The next prime is 245517067. The reversal of 245517060 is 60715542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (245517067) 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 23 ways as a sum of consecutive naturals, for example, 10261 + ... + 24419.

It is an arithmetic number, because the mean of its divisors is an integer number (10143280).

Almost surely, 2^245517060 is an apocalyptic number.

245517060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245517060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365158080).

245517060 is an abundant number, since it is smaller than the sum of its proper divisors (484799100).

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

245517060 is a wasteful number, since it uses less digits than its factorization.

245517060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205 (or 14186 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 245517060 is about 15668.9840130112. The cubic root of 245517060 is about 626.1723574166.

The spelling of 245517060 in words is "two hundred forty-five million, five hundred seventeen thousand, sixty".