505214022451 has 2 divisors, whose sum is σ = 505214022452. Its totient is φ = 505214022450.

The previous prime is 505214022437. The next prime is 505214022497. The reversal of 505214022451 is 154220412505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505214022451 - 2³⁵ = 470854284083 is a prime.

It is a super-2 number, since 2×505214022451² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505214022431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252607011225 + 252607011226.

It is an arithmetic number, because the mean of its divisors is an integer number (252607011226).

Almost surely, 2^505214022451 is an apocalyptic number.

505214022451 is a deficient number, since it is larger than the sum of its proper divisors (1).

505214022451 is an equidigital number, since it uses as much as digits as its factorization.

505214022451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 505214022451 its reverse (154220412505), we get a palindrome (659434434956).

The spelling of 505214022451 in words is "five hundred five billion, two hundred fourteen million, twenty-two thousand, four hundred fifty-one".