245370520 has 64 divisors (see below), whose sum is σ = 592686720. Its totient is φ = 91090944.

The previous prime is 245370491. The next prime is 245370529. The reversal of 245370520 is 25073542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245370529) 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, 47169 + ... + 52111.

It is an arithmetic number, because the mean of its divisors is an integer number (9260730).

Almost surely, 2^245370520 is an apocalyptic number.

245370520 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 245370520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296343360).

245370520 is an abundant number, since it is smaller than the sum of its proper divisors (347316200).

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

245370520 is a wasteful number, since it uses less digits than its factorization.

245370520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 245370520 is about 15664.3071982134. The cubic root of 245370520 is about 626.0477529605.

The spelling of 245370520 in words is "two hundred forty-five million, three hundred seventy thousand, five hundred twenty".