501270997 has 2 divisors, whose sum is σ = 501270998. Its totient is φ = 501270996.

The previous prime is 501270989. The next prime is 501271007. The reversal of 501270997 is 799072105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325946916 + 175324081 = 18054^2 + 13241^2 .

It is a cyclic number.

It is not a de Polignac number, because 501270997 - 2³ = 501270989 is a prime.

It is a super-2 number, since 2×501270997² = 502545224866748018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501270197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250635498 + 250635499.

It is an arithmetic number, because the mean of its divisors is an integer number (250635499).

Almost surely, 2^501270997 is an apocalyptic number.

It is an amenable number.

501270997 is a deficient number, since it is larger than the sum of its proper divisors (1).

501270997 is an equidigital number, since it uses as much as digits as its factorization.

501270997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 501270997 is about 22389.0820937349. The cubic root of 501270997 is about 794.3724842590.

The spelling of 501270997 in words is "five hundred one million, two hundred seventy thousand, nine hundred ninety-seven".