245225242520 has 16 divisors (see below), whose sum is σ = 551756795760. Its totient is φ = 98090096992.

The previous prime is 245225242519. The next prime is 245225242529. The reversal of 245225242520 is 25242522542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245225242529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3065315492 + ... + 3065315571.

It is an arithmetic number, because the mean of its divisors is an integer number (34484799735).

Almost surely, 2^245225242520 is an apocalyptic number.

245225242520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245225242520 is an abundant number, since it is smaller than the sum of its proper divisors (306531553240).

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

245225242520 is a wasteful number, since it uses less digits than its factorization.

245225242520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130631074 (or 6130631070 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The spelling of 245225242520 in words is "two hundred forty-five billion, two hundred twenty-five million, two hundred forty-two thousand, five hundred twenty".