499003541 has 2 divisors, whose sum is σ = 499003542. Its totient is φ = 499003540.

The previous prime is 499003537. The next prime is 499003573. The reversal of 499003541 is 145300994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305515441 + 193488100 = 17479^2 + 13910^2 .

It is a cyclic number.

It is not a de Polignac number, because 499003541 - 2² = 499003537 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499003501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249501770 + 249501771.

It is an arithmetic number, because the mean of its divisors is an integer number (249501771).

Almost surely, 2^499003541 is an apocalyptic number.

It is an amenable number.

499003541 is a deficient number, since it is larger than the sum of its proper divisors (1).

499003541 is an equidigital number, since it uses as much as digits as its factorization.

499003541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 499003541 is about 22338.3871620133. The cubic root of 499003541 is about 793.1729153122.

The spelling of 499003541 in words is "four hundred ninety-nine million, three thousand, five hundred forty-one".