3133445 has 8 divisors (see below), whose sum is σ = 4297344. Its totient is φ = 2148624.

The previous prime is 3133441. The next prime is 3133447. The reversal of 3133445 is 5443313.

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

It is a cyclic number.

It is not a de Polignac number, because 3133445 - 2² = 3133441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3133445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133441) 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, 44729 + ... + 44798.

It is an arithmetic number, because the mean of its divisors is an integer number (537168).

Almost surely, 2^3133445 is an apocalyptic number.

3133445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3133445 is a deficient number, since it is larger than the sum of its proper divisors (1163899).

3133445 is an equidigital number, since it uses as much as digits as its factorization.

3133445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89539.

The product of its digits is 2160, while the sum is 23.

The square root of 3133445 is about 1770.1539481073. The cubic root of 3133445 is about 146.3324662140.

Adding to 3133445 its reverse (5443313), we get a palindrome (8576758).

The spelling of 3133445 in words is "three million, one hundred thirty-three thousand, four hundred forty-five".