2150312 has 8 divisors (see below), whose sum is σ = 4031850. Its totient is φ = 1075152.

The previous prime is 2150303. The next prime is 2150333. The reversal of 2150312 is 2130512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 1156 = 1466^2 + 34^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134387 + ... + 134402.

2^2150312 is an apocalyptic number.

It is an amenable number.

2150312 is a deficient number, since it is larger than the sum of its proper divisors (1881538).

2150312 is a wasteful number, since it uses less digits than its factorization.

2150312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268795 (or 268791 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2150312 is about 1466.3942171190. The cubic root of 2150312 is about 129.0725309719.

Adding to 2150312 its reverse (2130512), we get a palindrome (4280824).

The spelling of 2150312 in words is "two million, one hundred fifty thousand, three hundred twelve".