501214997 has 2 divisors, whose sum is σ = 501214998. Its totient is φ = 501214996.

The previous prime is 501214963. The next prime is 501215059. The reversal of 501214997 is 799412105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318586801 + 182628196 = 17849^2 + 13514^2 .

It is a cyclic number.

It is not a de Polignac number, because 501214997 - 2⁸ = 501214741 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 501214997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501214907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250607498 + 250607499.

It is an arithmetic number, because the mean of its divisors is an integer number (250607499).

Almost surely, 2^501214997 is an apocalyptic number.

It is an amenable number.

501214997 is a deficient number, since it is larger than the sum of its proper divisors (1).

501214997 is an equidigital number, since it uses as much as digits as its factorization.

501214997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 501214997 is about 22387.8314492494. The cubic root of 501214997 is about 794.3429017803.

The spelling of 501214997 in words is "five hundred one million, two hundred fourteen thousand, nine hundred ninety-seven".