245797980 has 24 divisors (see below), whose sum is σ = 688234512. Its totient is φ = 65546112.

The previous prime is 245797963. The next prime is 245798023. The reversal of 245797980 is 89797542.

245797980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048257 + ... + 2048376.

It is an arithmetic number, because the mean of its divisors is an integer number (28676438).

Almost surely, 2^245797980 is an apocalyptic number.

245797980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245797980 is an abundant number, since it is smaller than the sum of its proper divisors (442436532).

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

245797980 is a wasteful number, since it uses less digits than its factorization.

245797980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096645 (or 4096643 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 245797980 is about 15677.9456562395. The cubic root of 245797980 is about 626.4110879981.

The spelling of 245797980 in words is "two hundred forty-five million, seven hundred ninety-seven thousand, nine hundred eighty".