3513947 has 4 divisors (see below), whose sum is σ = 3527280. Its totient is φ = 3500616.

The previous prime is 3513941. The next prime is 3513967. The reversal of 3513947 is 7493153.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7493153 = 97 ⋅77249.

It is a cyclic number.

It is not a de Polignac number, because 3513947 - 2⁴ = 3513931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3513941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (881820).

Almost surely, 2^3513947 is an apocalyptic number.

3513947 is a deficient number, since it is larger than the sum of its proper divisors (13333).

3513947 is a wasteful number, since it uses less digits than its factorization.

3513947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13332.

The product of its digits is 11340, while the sum is 32.

The square root of 3513947 is about 1874.5524799269. The cubic root of 3513947 is about 152.0308541936.

The spelling of 3513947 in words is "three million, five hundred thirteen thousand, nine hundred forty-seven".