245311000 has 128 divisors (see below), whose sum is σ = 648648000. Its totient is φ = 86016000.

The previous prime is 245310991. The next prime is 245311007. The reversal of 245311000 is 113542.

245311000 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 not an unprimeable number, because it can be changed into a prime (245311007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318616 + ... + 319384.

Almost surely, 2^245311000 is an apocalyptic number.

245311000 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 245311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324324000).

245311000 is an abundant number, since it is smaller than the sum of its proper divisors (403337000).

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

245311000 is a wasteful number, since it uses less digits than its factorization.

245311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 245311000 is about 15662.4072223908. The cubic root of 245311000 is about 625.9971283301.

Adding to 245311000 its reverse (113542), we get a palindrome (245424542).

The spelling of 245311000 in words is "two hundred forty-five million, three hundred eleven thousand".