2151482 has 8 divisors (see below), whose sum is σ = 3288276. Its totient is φ = 1055392.

The previous prime is 2151473. The next prime is 2151497. The reversal of 2151482 is 2841512.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 22801 = 1459^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10043 + ... + 10254.

2^2151482 is an apocalyptic number.

2151482 is a deficient number, since it is larger than the sum of its proper divisors (1136794).

2151482 is a wasteful number, since it uses less digits than its factorization.

2151482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352.

The product of its digits is 640, while the sum is 23.

The square root of 2151482 is about 1466.7931006110. The cubic root of 2151482 is about 129.0959364870.

Adding to 2151482 its reverse (2841512), we get a palindrome (4992994).

The spelling of 2151482 in words is "two million, one hundred fifty-one thousand, four hundred eighty-two".