499975451 has 2 divisors, whose sum is σ = 499975452. Its totient is φ = 499975450.

The previous prime is 499975439. The next prime is 499975537. The reversal of 499975451 is 154579994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499975451 - 2⁶ = 499975387 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499975393 and 499975402.

It is not a weakly prime, because it can be changed into another prime (499935451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249987725 + 249987726.

It is an arithmetic number, because the mean of its divisors is an integer number (249987726).

Almost surely, 2^499975451 is an apocalyptic number.

499975451 is a deficient number, since it is larger than the sum of its proper divisors (1).

499975451 is an equidigital number, since it uses as much as digits as its factorization.

499975451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 53.

The square root of 499975451 is about 22360.1308359321. The cubic root of 499975451 is about 793.6875360687.

The spelling of 499975451 in words is "four hundred ninety-nine million, nine hundred seventy-five thousand, four hundred fifty-one".