2150461 has 6 divisors (see below), whose sum is σ = 2182362. Its totient is φ = 2118960.

The previous prime is 2150453. The next prime is 2150471. The reversal of 2150461 is 1640512.

It can be written as a sum of positive squares in 3 ways, for example, as 136900 + 2013561 = 370^2 + 1419^2 .

It is not a de Polignac number, because 2150461 - 2³ = 2150453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11791 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (363727).

2^2150461 is an apocalyptic number.

It is an amenable number.

2150461 is a deficient number, since it is larger than the sum of its proper divisors (31901).

2150461 is an equidigital number, since it uses as much as digits as its factorization.

2150461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2150461 is about 1466.4450211310. The cubic root of 2150461 is about 129.0755121460.

Adding to 2150461 its reverse (1640512), we get a palindrome (3790973).

The spelling of 2150461 in words is "two million, one hundred fifty thousand, four hundred sixty-one".