245290500 has 288 divisors, whose sum is σ = 953971200. Its totient is φ = 51667200.

The previous prime is 245290499. The next prime is 245290537. The reversal of 245290500 is 5092542.

245290500 is a `hidden beast` number, since 24 + 52 + 90 + 500 = 666.

245290500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 409201 + ... + 409799.

It is an arithmetic number, because the mean of its divisors is an integer number (3312400).

Almost surely, 2^245290500 is an apocalyptic number.

245290500 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 245290500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476985600).

245290500 is an abundant number, since it is smaller than the sum of its proper divisors (708680700).

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

245290500 is a wasteful number, since it uses less digits than its factorization.

245290500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 245290500 is about 15661.7527754718. The cubic root of 245290500 is about 625.9796901957.

The spelling of 245290500 in words is "two hundred forty-five million, two hundred ninety thousand, five hundred".