465229621 has 2 divisors, whose sum is σ = 465229622. Its totient is φ = 465229620.

The previous prime is 465229619. The next prime is 465229627. The reversal of 465229621 is 126922564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319158225 + 146071396 = 17865^2 + 12086^2 .

It is a cyclic number.

It is not a de Polignac number, because 465229621 - 2¹ = 465229619 is a prime.

Together with 465229619, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465229627) 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, 232614810 + 232614811.

It is an arithmetic number, because the mean of its divisors is an integer number (232614811).

Almost surely, 2^465229621 is an apocalyptic number.

It is an amenable number.

465229621 is a deficient number, since it is larger than the sum of its proper divisors (1).

465229621 is an equidigital number, since it uses as much as digits as its factorization.

465229621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 465229621 is about 21569.1822051741. The cubic root of 465229621 is about 774.8585914735.

The spelling of 465229621 in words is "four hundred sixty-five million, two hundred twenty-nine thousand, six hundred twenty-one".