465880421 has 2 divisors, whose sum is σ = 465880422. Its totient is φ = 465880420.

The previous prime is 465880397. The next prime is 465880423. The reversal of 465880421 is 124088564.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277888900 + 187991521 = 16670^2 + 13711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465880421 is a prime.

It is a super-2 number, since 2×465880421² = 434089133342274482, which contains 22 as substring.

Together with 465880423, 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 (465880423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232940210 + 232940211.

It is an arithmetic number, because the mean of its divisors is an integer number (232940211).

Almost surely, 2^465880421 is an apocalyptic number.

It is an amenable number.

465880421 is a deficient number, since it is larger than the sum of its proper divisors (1).

465880421 is an equidigital number, since it uses as much as digits as its factorization.

465880421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 465880421 is about 21584.2632721156. The cubic root of 465880421 is about 775.2197342940.

The spelling of 465880421 in words is "four hundred sixty-five million, eight hundred eighty thousand, four hundred twenty-one".