245253400 has 96 divisors (see below), whose sum is σ = 672814080. Its totient is φ = 81360000.

The previous prime is 245253317. The next prime is 245253401. The reversal of 245253400 is 4352542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245253401) 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 23 ways as a sum of consecutive naturals, for example, 40575 + ... + 46225.

It is an arithmetic number, because the mean of its divisors is an integer number (7008480).

Almost surely, 2^245253400 is an apocalyptic number.

245253400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336407040).

245253400 is an abundant number, since it is smaller than the sum of its proper divisors (427560680).

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

245253400 is a wasteful number, since it uses less digits than its factorization.

245253400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 245253400 is about 15660.5683166353. The cubic root of 245253400 is about 625.9481289551.

The spelling of 245253400 in words is "two hundred forty-five million, two hundred fifty-three thousand, four hundred".