7313146 has 4 divisors (see below), whose sum is σ = 10969722. Its totient is φ = 3656572.

The previous prime is 7313143. The next prime is 7313167. The reversal of 7313146 is 6413137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6413137 = 2137 ⋅3001.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 579121 = 2595^2 + 761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7313146.

It is not an unprimeable number, because it can be changed into a prime (7313143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1828285 + ... + 1828288.

Almost surely, 2^7313146 is an apocalyptic number.

7313146 is the 1446-th centered heptagonal number.

7313146 is a deficient number, since it is larger than the sum of its proper divisors (3656576).

7313146 is a wasteful number, since it uses less digits than its factorization.

7313146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656575.

The product of its digits is 1512, while the sum is 25.

The square root of 7313146 is about 2704.2828994024. The cubic root of 7313146 is about 194.1041174207.

Subtracting from 7313146 its reverse (6413137), we obtain a palindrome (900009).

The spelling of 7313146 in words is "seven million, three hundred thirteen thousand, one hundred forty-six".