499806725 has 24 divisors (see below), whose sum is σ = 678519072. Its totient is φ = 362196800.

The previous prime is 499806719. The next prime is 499806731. The reversal of 499806725 is 527608994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (499806719) and next prime (499806731).

It is not a de Polignac number, because 499806725 - 2¹⁰ = 499805701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77474 + ... + 83676.

It is an arithmetic number, because the mean of its divisors is an integer number (28271628).

Almost surely, 2^499806725 is an apocalyptic number.

It is an amenable number.

499806725 is a deficient number, since it is larger than the sum of its proper divisors (178712347).

499806725 is a wasteful number, since it uses less digits than its factorization.

499806725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 499806725 is about 22356.3575968895. The cubic root of 499806725 is about 793.5982444912.

The spelling of 499806725 in words is "four hundred ninety-nine million, eight hundred six thousand, seven hundred twenty-five".