501444089 has 2 divisors, whose sum is σ = 501444090. Its totient is φ = 501444088.

The previous prime is 501444071. The next prime is 501444107. The reversal of 501444089 is 980444105.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (501444071) and next prime (501444107).

It can be written as a sum of positive squares in only one way, i.e., 429194089 + 72250000 = 20717^2 + 8500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501444089 is a prime.

It is not a weakly prime, because it can be changed into another prime (501444389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250722044 + 250722045.

It is an arithmetic number, because the mean of its divisors is an integer number (250722045).

Almost surely, 2^501444089 is an apocalyptic number.

It is an amenable number.

501444089 is a deficient number, since it is larger than the sum of its proper divisors (1).

501444089 is an equidigital number, since it uses as much as digits as its factorization.

501444089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 501444089 is about 22392.9473048994. The cubic root of 501444089 is about 794.4639076603.

The spelling of 501444089 in words is "five hundred one million, four hundred forty-four thousand, eighty-nine".