1465889 has 2 divisors, whose sum is σ = 1465890. Its totient is φ = 1465888.

The previous prime is 1465861. The next prime is 1465901. The reversal of 1465889 is 9885641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1380625 + 85264 = 1175^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465889 - 2¹⁶ = 1400353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1465819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732944 + 732945.

It is an arithmetic number, because the mean of its divisors is an integer number (732945).

2^1465889 is an apocalyptic number.

It is an amenable number.

1465889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465889 is an equidigital number, since it uses as much as digits as its factorization.

1465889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 1465889 is about 1210.7390305099. The cubic root of 1465889 is about 113.5970435404.

The spelling of 1465889 in words is "one million, four hundred sixty-five thousand, eight hundred eighty-nine".