499925250 has 128 divisors (see below), whose sum is σ = 1512725760. Its totient is φ = 121176000.

The previous prime is 499925249. The next prime is 499925269. The reversal of 499925250 is 52529994.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 499925196 and 499925205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70884 + ... + 77616.

It is an arithmetic number, because the mean of its divisors is an integer number (11818170).

Almost surely, 2^499925250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499925250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756362880).

499925250 is an abundant number, since it is smaller than the sum of its proper divisors (1012800510).

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

499925250 is a wasteful number, since it uses less digits than its factorization.

499925250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 499925250 is about 22359.0082517092. The cubic root of 499925250 is about 793.6609712700.

It can be divided in two parts, 49 and 9925250, that added together give a palindrome (9925299).

The spelling of 499925250 in words is "four hundred ninety-nine million, nine hundred twenty-five thousand, two hundred fifty".