505150651 has 2 divisors, whose sum is σ = 505150652. Its totient is φ = 505150650.

The previous prime is 505150637. The next prime is 505150661. The reversal of 505150651 is 156051505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505150651 - 2¹⁹ = 504626363 is a prime.

It is a super-3 number, since 3×505150651³ (a number of 27 digits) contains 333 as substring.

It is equal to p_26612470 and since 505150651 and 26612470 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (505150601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252575325 + 252575326.

It is an arithmetic number, because the mean of its divisors is an integer number (252575326).

Almost surely, 2^505150651 is an apocalyptic number.

505150651 is a deficient number, since it is larger than the sum of its proper divisors (1).

505150651 is an equidigital number, since it uses as much as digits as its factorization.

505150651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 505150651 is about 22475.5567450508. The cubic root of 505150651 is about 796.4166037839.

The spelling of 505150651 in words is "five hundred five million, one hundred fifty thousand, six hundred fifty-one".