245340820725 has 288 divisors, whose sum is σ = 583547650560. Its totient is φ = 89159616000.

The previous prime is 245340820691. The next prime is 245340820727. The reversal of 245340820725 is 527028043542.

It is not a de Polignac number, because 245340820725 - 2¹¹ = 245340818677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245340820727) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 9972690 + ... + 9997260.

It is an arithmetic number, because the mean of its divisors is an integer number (2026207120).

Almost surely, 2^245340820725 is an apocalyptic number.

245340820725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245340820725 is an abundant number, since it is smaller than the sum of its proper divisors (338206829835).

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

245340820725 is a wasteful number, since it uses less digits than its factorization.

245340820725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24641 (or 24629 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 245340820725 in words is "two hundred forty-five billion, three hundred forty million, eight hundred twenty thousand, seven hundred twenty-five".