245331320 has 32 divisors (see below), whose sum is σ = 594457920. Its totient is φ = 90583680.

The previous prime is 245331313. The next prime is 245331337. The reversal of 245331320 is 23133542.

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, 235376 + ... + 236415.

It is an arithmetic number, because the mean of its divisors is an integer number (18576810).

Almost surely, 2^245331320 is an apocalyptic number.

245331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245331320 is an abundant number, since it is smaller than the sum of its proper divisors (349126600).

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

245331320 is a wasteful number, since it uses less digits than its factorization.

245331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471815 (or 471811 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 245331320 is about 15663.0558959610. The cubic root of 245331320 is about 626.0144123906.

Adding to 245331320 its reverse (23133542), we get a palindrome (268464862).

The spelling of 245331320 in words is "two hundred forty-five million, three hundred thirty-one thousand, three hundred twenty".