501005051 has 2 divisors, whose sum is σ = 501005052. Its totient is φ = 501005050.

The previous prime is 501005047. The next prime is 501005077. The reversal of 501005051 is 150500105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501005051 - 2² = 501005047 is a prime.

It is a super-2 number, since 2×501005051² = 502012122255025202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (501005041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250502525 + 250502526.

It is an arithmetic number, because the mean of its divisors is an integer number (250502526).

Almost surely, 2^501005051 is an apocalyptic number.

501005051 is a deficient number, since it is larger than the sum of its proper divisors (1).

501005051 is an equidigital number, since it uses as much as digits as its factorization.

501005051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 501005051 is about 22383.1421163339. The cubic root of 501005051 is about 794.2319763914.

Adding to 501005051 its reverse (150500105), we get a palindrome (651505156).

The spelling of 501005051 in words is "five hundred one million, five thousand, fifty-one".