245403320 has 32 divisors (see below), whose sum is σ = 554234400. Its totient is φ = 97792128.

The previous prime is 245403299. The next prime is 245403329. The reversal of 245403320 is 23304542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245403329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 22163.

It is an arithmetic number, because the mean of its divisors is an integer number (17319825).

Almost surely, 2^245403320 is an apocalyptic number.

245403320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245403320 is an abundant number, since it is smaller than the sum of its proper divisors (308831080).

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

245403320 is a wasteful number, since it uses less digits than its factorization.

245403320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23087 (or 23083 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 245403320 is about 15665.3541294157. The cubic root of 245403320 is about 626.0756474434.

Adding to 245403320 its reverse (23304542), we get a palindrome (268707862).

The spelling of 245403320 in words is "two hundred forty-five million, four hundred three thousand, three hundred twenty".