499825042 has 4 divisors (see below), whose sum is σ = 749737566. Its totient is φ = 249912520.

The previous prime is 499825037. The next prime is 499825091. The reversal of 499825042 is 240528994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 464790481 + 35034561 = 21559^2 + 5919^2 .

It is a super-2 number, since 2×499825042² = 499650145220603528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 499825042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124956259 + ... + 124956262.

Almost surely, 2^499825042 is an apocalyptic number.

499825042 is a deficient number, since it is larger than the sum of its proper divisors (249912524).

499825042 is a wasteful number, since it uses less digits than its factorization.

499825042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249912523.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 499825042 is about 22356.7672528924. The cubic root of 499825042 is about 793.6079390130.

The spelling of 499825042 in words is "four hundred ninety-nine million, eight hundred twenty-five thousand, forty-two".