2150465 has 4 divisors (see below), whose sum is σ = 2580564. Its totient is φ = 1720368.

The previous prime is 2150453. The next prime is 2150471. The reversal of 2150465 is 5640512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 418609 + 1731856 = 647^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150465 - 2⁸ = 2150209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215042 + ... + 215051.

It is an arithmetic number, because the mean of its divisors is an integer number (645141).

2^2150465 is an apocalyptic number.

It is an amenable number.

2150465 is a deficient number, since it is larger than the sum of its proper divisors (430099).

2150465 is an equidigital number, since it uses as much as digits as its factorization.

2150465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430098.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2150465 is about 1466.4463849729. The cubic root of 2150465 is about 129.0755921756.

Adding to 2150465 its reverse (5640512), we get a palindrome (7790977).

The spelling of 2150465 in words is "two million, one hundred fifty thousand, four hundred sixty-five".