1465663 has 2 divisors, whose sum is σ = 1465664. Its totient is φ = 1465662.

The previous prime is 1465661. The next prime is 1465669. The reversal of 1465663 is 3665641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1465663 - 2¹ = 1465661 is a prime.

Together with 1465661, it forms a pair of twin primes.

1465663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1465661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732831 + 732832.

It is an arithmetic number, because the mean of its divisors is an integer number (732832).

2^1465663 is an apocalyptic number.

1465663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465663 is an equidigital number, since it uses as much as digits as its factorization.

1465663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 1465663 is about 1210.6456954865. The cubic root of 1465663 is about 113.5912053877.

The spelling of 1465663 in words is "one million, four hundred sixty-five thousand, six hundred sixty-three".