1521314 has 4 divisors (see below), whose sum is σ = 2281974. Its totient is φ = 760656.

The previous prime is 1521301. The next prime is 1521323. The reversal of 1521314 is 4131251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4131251 = 751 ⋅5501.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 555025 = 983^2 + 745^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1521292 and 1521301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380327 + ... + 380330.

2^1521314 is an apocalyptic number.

1521314 is a deficient number, since it is larger than the sum of its proper divisors (760660).

1521314 is an equidigital number, since it uses as much as digits as its factorization.

1521314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760659.

The product of its digits is 120, while the sum is 17.

The square root of 1521314 is about 1233.4155828430. The cubic root of 1521314 is about 115.0110638379.

Adding to 1521314 its reverse (4131251), we get a palindrome (5652565).

The spelling of 1521314 in words is "one million, five hundred twenty-one thousand, three hundred fourteen".