465400289 has 2 divisors, whose sum is σ = 465400290. Its totient is φ = 465400288.

The previous prime is 465400267. The next prime is 465400333. The reversal of 465400289 is 982004564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372181264 + 93219025 = 19292^2 + 9655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465400289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (465400219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232700144 + 232700145.

It is an arithmetic number, because the mean of its divisors is an integer number (232700145).

Almost surely, 2^465400289 is an apocalyptic number.

It is an amenable number.

465400289 is a deficient number, since it is larger than the sum of its proper divisors (1).

465400289 is an equidigital number, since it uses as much as digits as its factorization.

465400289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 465400289 is about 21573.1381351903. The cubic root of 465400289 is about 774.9533313556.

The spelling of 465400289 in words is "four hundred sixty-five million, four hundred thousand, two hundred eighty-nine".