499951425 has 24 divisors (see below), whose sum is σ = 840144640. Its totient is φ = 262267200.

The previous prime is 499951423. The next prime is 499951451. The reversal of 499951425 is 524159994.

It is not a de Polignac number, because 499951425 - 2¹ = 499951423 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (499951423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50065 + ... + 59214.

Almost surely, 2^499951425 is an apocalyptic number.

It is an amenable number.

499951425 is a deficient number, since it is larger than the sum of its proper divisors (340193215).

499951425 is a wasteful number, since it uses less digits than its factorization.

499951425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109353 (or 109348 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 499951425 is about 22359.5935785962. The cubic root of 499951425 is about 793.6748224830.

The spelling of 499951425 in words is "four hundred ninety-nine million, nine hundred fifty-one thousand, four hundred twenty-five".