245225002520 has 64 divisors (see below), whose sum is σ = 591754572000. Its totient is φ = 91174007808.

The previous prime is 245225002507. The next prime is 245225002531. The reversal of 245225002520 is 25200522542.

It is a congruent number.

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, 3003725 + ... + 3084284.

Almost surely, 2^245225002520 is an apocalyptic number.

245225002520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245225002520 is an abundant number, since it is smaller than the sum of its proper divisors (346529569480).

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

245225002520 is a wasteful number, since it uses less digits than its factorization.

245225002520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088092 (or 6088088 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 245225002520 in words is "two hundred forty-five billion, two hundred twenty-five million, two thousand, five hundred twenty".