3133257 has 8 divisors (see below), whose sum is σ = 4186080. Its totient is φ = 2084640.

The previous prime is 3133243. The next prime is 3133259. The reversal of 3133257 is 7523313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3133257 - 2¹¹ = 3131209 is a prime.

3133257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3133259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 3072.

It is an arithmetic number, because the mean of its divisors is an integer number (523260).

Almost surely, 2^3133257 is an apocalyptic number.

It is an amenable number.

3133257 is a deficient number, since it is larger than the sum of its proper divisors (1052823).

3133257 is a wasteful number, since it uses less digits than its factorization.

3133257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 1890, while the sum is 24.

The square root of 3133257 is about 1770.1008445849. The cubic root of 3133257 is about 146.3295396105.

It can be divided in two parts, 313 and 3257, that added together give a triangular number (3570 = T₈₄).

The spelling of 3133257 in words is "three million, one hundred thirty-three thousand, two hundred fifty-seven".