501001049 has 2 divisors, whose sum is σ = 501001050. Its totient is φ = 501001048.

The previous prime is 501001021. The next prime is 501001073. The reversal of 501001049 is 940100105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494751049 + 6250000 = 22243^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 501001049 - 2⁸ = 501000793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501001049.

It is not a weakly prime, because it can be changed into another prime (501031049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500524 + 250500525.

It is an arithmetic number, because the mean of its divisors is an integer number (250500525).

Almost surely, 2^501001049 is an apocalyptic number.

It is an amenable number.

501001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

501001049 is an equidigital number, since it uses as much as digits as its factorization.

501001049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 501001049 is about 22383.0527185190. The cubic root of 501001049 is about 794.2298616257.

The spelling of 501001049 in words is "five hundred one million, one thousand, forty-nine".