3133657 has 4 divisors (see below), whose sum is σ = 3180496. Its totient is φ = 3086820.

The previous prime is 3133643. The next prime is 3133673. The reversal of 3133657 is 7563313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7563313 = 43 ⋅175891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3133657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23319 + ... + 23452.

It is an arithmetic number, because the mean of its divisors is an integer number (795124).

Almost surely, 2^3133657 is an apocalyptic number.

It is an amenable number.

3133657 is a deficient number, since it is larger than the sum of its proper divisors (46839).

3133657 is an equidigital number, since it uses as much as digits as its factorization.

3133657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46838.

The product of its digits is 5670, while the sum is 28.

The square root of 3133657 is about 1770.2138288919. The cubic root of 3133657 is about 146.3357662861.

The spelling of 3133657 in words is "three million, one hundred thirty-three thousand, six hundred fifty-seven".