465221287 has 2 divisors, whose sum is σ = 465221288. Its totient is φ = 465221286.

The previous prime is 465221261. The next prime is 465221293. The reversal of 465221287 is 782122564.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 465221287 - 2¹⁵ = 465188519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465221297) 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, 232610643 + 232610644.

It is an arithmetic number, because the mean of its divisors is an integer number (232610644).

Almost surely, 2^465221287 is an apocalyptic number.

465221287 is a deficient number, since it is larger than the sum of its proper divisors (1).

465221287 is an equidigital number, since it uses as much as digits as its factorization.

465221287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 465221287 is about 21568.9890120052. The cubic root of 465221287 is about 774.8539645754.

The spelling of 465221287 in words is "four hundred sixty-five million, two hundred twenty-one thousand, two hundred eighty-seven".